45635664 has 20 divisors (see below), whose sum is σ = 117892256. Its totient is φ = 15211872.

The previous prime is 45635651. The next prime is 45635669. The reversal of 45635664 is 46653654.

It is a super-2 number, since 2×45635664² = 4165227657441792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45635669) 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, 475324 + ... + 475419.

Almost surely, 2^45635664 is an apocalyptic number.

It is an amenable number.

45635664 is an abundant number, since it is smaller than the sum of its proper divisors (72256592).

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

45635664 is a wasteful number, since it uses less digits than its factorization.

45635664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950754 (or 950748 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 45635664 is about 6755.4173816279. The cubic root of 45635664 is about 357.3563124130.

The spelling of 45635664 in words is "forty-five million, six hundred thirty-five thousand, six hundred sixty-four".