45214742172 has 48 divisors (see below), whose sum is σ = 111729572640. Its totient is φ = 14182152192.

The previous prime is 45214742147. The next prime is 45214742173. The reversal of 45214742172 is 27124741254.

It is a self number, because there is not a number n which added to its sum of digits gives 45214742172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45214742173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136928 + ... + 1176024.

It is an arithmetic number, because the mean of its divisors is an integer number (2327699430).

Almost surely, 2^45214742172 is an apocalyptic number.

It is an amenable number.

45214742172 is an abundant number, since it is smaller than the sum of its proper divisors (66514830468).

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

45214742172 is a wasteful number, since it uses less digits than its factorization.

45214742172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44790 (or 44788 counting only the distinct ones).

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

The spelling of 45214742172 in words is "forty-five billion, two hundred fourteen million, seven hundred forty-two thousand, one hundred seventy-two".