157073172 has 48 divisors (see below), whose sum is σ = 373309440. Its totient is φ = 51393888.

The previous prime is 157073131. The next prime is 157073179. The reversal of 157073172 is 271370751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157073179) 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, 211033 + ... + 211775.

It is an arithmetic number, because the mean of its divisors is an integer number (7777280).

Almost surely, 2^157073172 is an apocalyptic number.

157073172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157073172 is an abundant number, since it is smaller than the sum of its proper divisors (216236268).

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

157073172 is a wasteful number, since it uses less digits than its factorization.

157073172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 33.

The square root of 157073172 is about 12532.8836266838. The cubic root of 157073172 is about 539.5528671770.

The spelling of 157073172 in words is "one hundred fifty-seven million, seventy-three thousand, one hundred seventy-two".