45517572 has 24 divisors (see below), whose sum is σ = 118008800. Its totient is φ = 15172488.

The previous prime is 45517547. The next prime is 45517601. The reversal of 45517572 is 27571554.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210622 + ... + 210837.

Almost surely, 2^45517572 is an apocalyptic number.

It is an amenable number.

45517572 is an abundant number, since it is smaller than the sum of its proper divisors (72491228).

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

45517572 is a wasteful number, since it uses less digits than its factorization.

45517572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421472 (or 421464 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 45517572 is about 6746.6711791816. The cubic root of 45517572 is about 357.0478009576.

The spelling of 45517572 in words is "forty-five million, five hundred seventeen thousand, five hundred seventy-two".