45212474172 has 48 divisors (see below), whose sum is σ = 105892174080. Its totient is φ = 15014305152.

The previous prime is 45212474143. The next prime is 45212474189. The reversal of 45212474172 is 27147421254.

It is a self number, because there is not a number n which added to its sum of digits gives 45212474172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3599479 + ... + 3612017.

It is an arithmetic number, because the mean of its divisors is an integer number (2206086960).

Almost surely, 2^45212474172 is an apocalyptic number.

It is an amenable number.

45212474172 is an abundant number, since it is smaller than the sum of its proper divisors (60679699908).

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

45212474172 is a wasteful number, since it uses less digits than its factorization.

45212474172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13650 (or 13648 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The spelling of 45212474172 in words is "forty-five billion, two hundred twelve million, four hundred seventy-four thousand, one hundred seventy-two".