157263312 has 20 divisors (see below), whose sum is σ = 406263680. Its totient is φ = 52421088.

The previous prime is 157263299. The next prime is 157263313. The reversal of 157263312 is 213362751.

157263312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 157263312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157263313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638112 + ... + 1638207.

It is an arithmetic number, because the mean of its divisors is an integer number (20313184).

Almost surely, 2^157263312 is an apocalyptic number.

157263312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157263312 is an abundant number, since it is smaller than the sum of its proper divisors (249000368).

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

157263312 is a wasteful number, since it uses less digits than its factorization.

157263312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276330 (or 3276324 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 157263312 is about 12540.4669769511. The cubic root of 157263312 is about 539.7704923189.

The spelling of 157263312 in words is "one hundred fifty-seven million, two hundred sixty-three thousand, three hundred twelve".