45513572 has 12 divisors (see below), whose sum is σ = 85775676. Its totient is φ = 21006240.

The previous prime is 45513571. The next prime is 45513583. The reversal of 45513572 is 27531554.

It can be written as a sum of positive squares in 2 ways, for example, as 8620096 + 36893476 = 2936^2 + 6074^2 .

It is not an unprimeable number, because it can be changed into a prime (45513571) 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, 437579 + ... + 437682.

It is an arithmetic number, because the mean of its divisors is an integer number (7147973).

Almost surely, 2^45513572 is an apocalyptic number.

It is an amenable number.

45513572 is a deficient number, since it is larger than the sum of its proper divisors (40262104).

45513572 is a wasteful number, since it uses less digits than its factorization.

45513572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875278 (or 875276 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 45513572 is about 6746.3747301792. The cubic root of 45513572 is about 357.0373417512.

The spelling of 45513572 in words is "forty-five million, five hundred thirteen thousand, five hundred seventy-two".