157230928 has 20 divisors (see below), whose sum is σ = 320668960. Its totient is φ = 74477664.

The previous prime is 157230917. The next prime is 157230959. The reversal of 157230928 is 829032751.

157230928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258300 + ... + 258907.

It is an arithmetic number, because the mean of its divisors is an integer number (16033448).

Almost surely, 2^157230928 is an apocalyptic number.

It is an amenable number.

157230928 is an abundant number, since it is smaller than the sum of its proper divisors (163438032).

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

157230928 is a wasteful number, since it uses less digits than its factorization.

157230928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517234 (or 517228 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 157230928 is about 12539.1757304856. The cubic root of 157230928 is about 539.7334395413.

The spelling of 157230928 in words is "one hundred fifty-seven million, two hundred thirty thousand, nine hundred twenty-eight".