945189 has 20 divisors (see below), whose sum is σ = 1614624. Its totient is φ = 539784.

The previous prime is 945179. The next prime is 945209. The reversal of 945189 is 981549.

945189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 945189 - 2⁹ = 944677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945179) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 267 + ... + 1400.

945189 is a Friedman number, since it can be written as 9*(18^4+9*5), using all its digits and the basic arithmetic operations.

2⁹⁴⁵¹⁸⁹ is an apocalyptic number.

It is an amenable number.

945189 is a deficient number, since it is larger than the sum of its proper divisors (669435).

945189 is a wasteful number, since it uses less digits than its factorization.

945189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1677 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 945189 is about 972.2083110116. The cubic root of 945189 is about 98.1385310022.

The spelling of 945189 in words is "nine hundred forty-five thousand, one hundred eighty-nine".