45257512712 has 32 divisors (see below), whose sum is σ = 89460201600. Its totient is φ = 21421745664.

The previous prime is 45257512711. The next prime is 45257512757. The reversal of 45257512712 is 21721575254.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45257512712.

It is not an unprimeable number, because it can be changed into a prime (45257512711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250012 + ... + 1285707.

It is an arithmetic number, because the mean of its divisors is an integer number (2795631300).

Almost surely, 2^45257512712 is an apocalyptic number.

It is an amenable number.

45257512712 is a deficient number, since it is larger than the sum of its proper divisors (44202688888).

45257512712 is a wasteful number, since it uses less digits than its factorization.

45257512712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535845 (or 2535841 counting only the distinct ones).

The product of its digits is 196000, while the sum is 41.

The spelling of 45257512712 in words is "forty-five billion, two hundred fifty-seven million, five hundred twelve thousand, seven hundred twelve".