45512042252 has 48 divisors (see below), whose sum is σ = 87192352800. Its totient is φ = 20698555392.

The previous prime is 45512042249. The next prime is 45512042291. The reversal of 45512042252 is 25224021554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314183 + ... + 435585.

It is an arithmetic number, because the mean of its divisors is an integer number (1816507350).

Almost surely, 2^45512042252 is an apocalyptic number.

It is an amenable number.

45512042252 is a deficient number, since it is larger than the sum of its proper divisors (41680310548).

45512042252 is a wasteful number, since it uses less digits than its factorization.

45512042252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121610 (or 121608 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 45512042252 in words is "forty-five billion, five hundred twelve million, forty-two thousand, two hundred fifty-two".