45664688 has 10 divisors (see below), whose sum is σ = 88475364. Its totient is φ = 22832336.

The previous prime is 45664673. The next prime is 45664727. The reversal of 45664688 is 88646654.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427006 + ... + 1427037.

Almost surely, 2^45664688 is an apocalyptic number.

It is an amenable number.

45664688 is a deficient number, since it is larger than the sum of its proper divisors (42810676).

45664688 is a wasteful number, since it uses less digits than its factorization.

45664688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854051 (or 2854045 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 45664688 is about 6757.5652420084. The cubic root of 45664688 is about 357.4320551593.

The spelling of 45664688 in words is "forty-five million, six hundred sixty-four thousand, six hundred eighty-eight".