157161372 has 12 divisors (see below), whose sum is σ = 366709896. Its totient is φ = 52387120.

The previous prime is 157161341. The next prime is 157161383. The reversal of 157161372 is 273161751.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6548379 + ... + 6548402.

It is an arithmetic number, because the mean of its divisors is an integer number (30559158).

Almost surely, 2^157161372 is an apocalyptic number.

157161372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157161372 is an abundant number, since it is smaller than the sum of its proper divisors (209548524).

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

157161372 is a wasteful number, since it uses less digits than its factorization.

157161372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13096788 (or 13096786 counting only the distinct ones).

The product of its digits is 8820, while the sum is 33.

The square root of 157161372 is about 12536.4018761365. The cubic root of 157161372 is about 539.6538385008.

The spelling of 157161372 in words is "one hundred fifty-seven million, one hundred sixty-one thousand, three hundred seventy-two".