157331427 has 16 divisors (see below), whose sum is σ = 230310912. Its totient is φ = 94741920.

The previous prime is 157331411. The next prime is 157331429. The reversal of 157331427 is 724133751.

It is not a de Polignac number, because 157331427 - 2⁴ = 157331411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (157331429) 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, 10003 + ... + 20364.

It is an arithmetic number, because the mean of its divisors is an integer number (14394432).

Almost surely, 2^157331427 is an apocalyptic number.

157331427 is a deficient number, since it is larger than the sum of its proper divisors (72979485).

157331427 is a wasteful number, since it uses less digits than its factorization.

157331427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30538.

The product of its digits is 17640, while the sum is 33.

The square root of 157331427 is about 12543.1824908992. The cubic root of 157331427 is about 539.8484108105.

The spelling of 157331427 in words is "one hundred fifty-seven million, three hundred thirty-one thousand, four hundred twenty-seven".