157278268 has 24 divisors (see below), whose sum is σ = 323060192. Its totient is φ = 65582784.

The previous prime is 157278241. The next prime is 157278307. The reversal of 157278268 is 862872751.

157278268 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

157278268 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74871 + ... + 76942.

Almost surely, 2^157278268 is an apocalyptic number.

It is an amenable number.

157278268 is an abundant number, since it is smaller than the sum of its proper divisors (165781924).

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

157278268 is a wasteful number, since it uses less digits than its factorization.

157278268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151861 (or 151859 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The square root of 157278268 is about 12541.0632723067. The cubic root of 157278268 is about 539.7876027975.

The spelling of 157278268 in words is "one hundred fifty-seven million, two hundred seventy-eight thousand, two hundred sixty-eight".