157520830 has 16 divisors (see below), whose sum is σ = 298460880. Its totient is φ = 59692032.

The previous prime is 157520791. The next prime is 157520851. The reversal of 157520830 is 38025751.

It is a junction number, because it is equal to n+sod(n) for n = 157520792 and 157520801.

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, 414339 + ... + 414718.

It is an arithmetic number, because the mean of its divisors is an integer number (18653805).

Almost surely, 2^157520830 is an apocalyptic number.

157520830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157520830 is a deficient number, since it is larger than the sum of its proper divisors (140940050).

157520830 is a wasteful number, since it uses less digits than its factorization.

157520830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829083.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 157520830 is about 12550.7302576384. The cubic root of 157520830 is about 540.0649556065.

The spelling of 157520830 in words is "one hundred fifty-seven million, five hundred twenty thousand, eight hundred thirty".