157231334 has 32 divisors (see below), whose sum is σ = 271143936. Its totient is φ = 67737600.

The previous prime is 157231313. The next prime is 157231339. The reversal of 157231334 is 433132751.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 157231297 and 157231306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157231339) 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, 54734 + ... + 57534.

It is an arithmetic number, because the mean of its divisors is an integer number (8473248).

Almost surely, 2^157231334 is an apocalyptic number.

157231334 is a deficient number, since it is larger than the sum of its proper divisors (113912602).

157231334 is a wasteful number, since it uses less digits than its factorization.

157231334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960.

The product of its digits is 7560, while the sum is 29.

The square root of 157231334 is about 12539.1919197371. The cubic root of 157231334 is about 539.7339041055.

The spelling of 157231334 in words is "one hundred fifty-seven million, two hundred thirty-one thousand, three hundred thirty-four".