45565572 has 48 divisors (see below), whose sum is σ = 120532160. Its totient is φ = 13281408.

The previous prime is 45565571. The next prime is 45565573. The reversal of 45565572 is 27556554.

It is an interprime number because it is at equal distance from previous prime (45565571) and next prime (45565573).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 45565572.

It is not an unprimeable number, because it can be changed into a prime (45565571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4723 + ... + 10650.

Almost surely, 2^45565572 is an apocalyptic number.

It is an amenable number.

45565572 is an abundant number, since it is smaller than the sum of its proper divisors (74966588).

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

45565572 is a wasteful number, since it uses less digits than its factorization.

45565572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15412 (or 15410 counting only the distinct ones).

The product of its digits is 210000, while the sum is 39.

The square root of 45565572 is about 6750.2275517200. The cubic root of 45565572 is about 357.1732636664.

The spelling of 45565572 in words is "forty-five million, five hundred sixty-five thousand, five hundred seventy-two".