157681372 has 12 divisors (see below), whose sum is σ = 276030496. Its totient is φ = 78815520.

The previous prime is 157681343. The next prime is 157681373. The reversal of 157681372 is 273186751.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157681373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20173 + ... + 26875.

Almost surely, 2^157681372 is an apocalyptic number.

It is an amenable number.

157681372 is a deficient number, since it is larger than the sum of its proper divisors (118349124).

157681372 is a wasteful number, since it uses less digits than its factorization.

157681372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12588 (or 12586 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 157681372 is about 12557.1243523348. The cubic root of 157681372 is about 540.2483676869.

The spelling of 157681372 in words is "one hundred fifty-seven million, six hundred eighty-one thousand, three hundred seventy-two".