157232312 has 8 divisors (see below), whose sum is σ = 294810600. Its totient is φ = 78616152.

The previous prime is 157232311. The next prime is 157232329. The reversal of 157232312 is 213232751.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157232311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9827012 + ... + 9827027.

It is an arithmetic number, because the mean of its divisors is an integer number (36851325).

Almost surely, 2^157232312 is an apocalyptic number.

It is an amenable number.

157232312 is a deficient number, since it is larger than the sum of its proper divisors (137578288).

157232312 is a wasteful number, since it uses less digits than its factorization.

157232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19654045 (or 19654041 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 157232312 is about 12539.2309174048. The cubic root of 157232312 is about 539.7350231756.

It can be divided in two parts, 15 and 7232312, that added together give a palindrome (7232327).

The spelling of 157232312 in words is "one hundred fifty-seven million, two hundred thirty-two thousand, three hundred twelve".