45875664 has 30 divisors (see below), whose sum is σ = 128388546. Its totient is φ = 15291840.

The previous prime is 45875647. The next prime is 45875719. The reversal of 45875664 is 46657854.

45875664 is a `hidden beast` number, since 4 + 5 + 87 + 566 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29811600 + 16064064 = 5460^2 + 4008^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159147 + ... + 159434.

Almost surely, 2^45875664 is an apocalyptic number.

It is an amenable number.

45875664 is an abundant number, since it is smaller than the sum of its proper divisors (82512882).

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

45875664 is a wasteful number, since it uses less digits than its factorization.

45875664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318595 (or 318586 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 45875664 is about 6773.1576092691. The cubic root of 45875664 is about 357.9816683809.

The spelling of 45875664 in words is "forty-five million, eight hundred seventy-five thousand, six hundred sixty-four".