45612172422 has 48 divisors (see below), whose sum is σ = 104913169920. Its totient is φ = 14272302336.

The previous prime is 45612172421. The next prime is 45612172423. The reversal of 45612172422 is 22427121654.

45612172422 is a `hidden beast` number, since 4 + 5 + 61 + 2 + 172 + 422 = 666.

It is an interprime number because it is at equal distance from previous prime (45612172421) and next prime (45612172423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45612172421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77397 + ... + 311792.

It is an arithmetic number, because the mean of its divisors is an integer number (2185691040).

Almost surely, 2^45612172422 is an apocalyptic number.

45612172422 is an abundant number, since it is smaller than the sum of its proper divisors (59300997498).

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

45612172422 is a wasteful number, since it uses less digits than its factorization.

45612172422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389597 (or 389594 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The spelling of 45612172422 in words is "forty-five billion, six hundred twelve million, one hundred seventy-two thousand, four hundred twenty-two".