745142661160172 has 96 divisors (see below), whose sum is σ = 1572445706194944. Its totient is φ = 304775412480000.

The previous prime is 745142661160159. The next prime is 745142661160231. The reversal of 745142661160172 is 271061166241547.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26762672 + ... + 46973672.

It is an arithmetic number, because the mean of its divisors is an integer number (16379642772864).

Almost surely, 2^{745142661160172} is an apocalyptic number.

It is an amenable number.

745142661160172 is an abundant number, since it is smaller than the sum of its proper divisors (827303045034772).

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

745142661160172 is a wasteful number, since it uses less digits than its factorization.

745142661160172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20213199 (or 20213197 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 745142661160172 in words is "seven hundred forty-five trillion, one hundred forty-two billion, six hundred sixty-one million, one hundred sixty thousand, one hundred seventy-two".