445284 has 96 divisors (see below), whose sum is σ = 1433600. Its totient is φ = 116640.

The previous prime is 445283. The next prime is 445297. The reversal of 445284 is 482544.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14349 + ... + 14379.

2⁴⁴⁵²⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716800).

445284 is an abundant number, since it is smaller than the sum of its proper divisors (988316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445284 is a wasteful number, since it uses less digits than its factorization.

445284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 62 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 445284 is about 667.2960362538. The cubic root of 445284 is about 76.3623051716.

It can be divided in two parts, 445 and 284, that added together give a 6-th power (729 = 3⁶).

The spelling of 445284 in words is "four hundred forty-five thousand, two hundred eighty-four".