45664572 has 24 divisors (see below), whose sum is σ = 107108176. Its totient is φ = 15141888.

The previous prime is 45664571. The next prime is 45664579. The reversal of 45664572 is 27546654.

45664572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 45664572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45664571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7543 + ... + 12174.

Almost surely, 2^45664572 is an apocalyptic number.

It is an amenable number.

45664572 is an abundant number, since it is smaller than the sum of its proper divisors (61443604).

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

45664572 is a wasteful number, since it uses less digits than its factorization.

45664572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19917 (or 19915 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 45664572 is about 6757.5566590299. The cubic root of 45664572 is about 357.4317525027.

The spelling of 45664572 in words is "forty-five million, six hundred sixty-four thousand, five hundred seventy-two".