45656931 has 4 divisors (see below), whose sum is σ = 60875912. Its totient is φ = 30437952.

The previous prime is 45656921. The next prime is 45656953. The reversal of 45656931 is 13965654.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45656931 - 2⁵ = 45656899 is a prime.

It is a super-2 number, since 2×45656931² = 4169110696677522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45656931.

It is not an unprimeable number, because it can be changed into a prime (45656921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7609486 + ... + 7609491.

It is an arithmetic number, because the mean of its divisors is an integer number (15218978).

Almost surely, 2^45656931 is an apocalyptic number.

45656931 is a deficient number, since it is larger than the sum of its proper divisors (15218981).

45656931 is a wasteful number, since it uses less digits than its factorization.

45656931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15218980.

The product of its digits is 97200, while the sum is 39.

The square root of 45656931 is about 6756.9912683087. The cubic root of 45656931 is about 357.4118151768.

The spelling of 45656931 in words is "forty-five million, six hundred fifty-six thousand, nine hundred thirty-one".