157235828 has 6 divisors (see below), whose sum is σ = 275162706. Its totient is φ = 78617912.

The previous prime is 157235807. The next prime is 157235909. The reversal of 157235828 is 828532751.

157235828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 107081104 + 50154724 = 10348^2 + 7082^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19654475 + ... + 19654482.

It is an arithmetic number, because the mean of its divisors is an integer number (45860451).

Almost surely, 2^157235828 is an apocalyptic number.

It is an amenable number.

157235828 is a deficient number, since it is larger than the sum of its proper divisors (117926878).

157235828 is a wasteful number, since it uses less digits than its factorization.

157235828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39308961 (or 39308959 counting only the distinct ones).

The product of its digits is 134400, while the sum is 41.

The square root of 157235828 is about 12539.3711166071. The cubic root of 157235828 is about 539.7390462973.

The spelling of 157235828 in words is "one hundred fifty-seven million, two hundred thirty-five thousand, eight hundred twenty-eight".