157930 has 16 divisors (see below), whose sum is σ = 301320. Its totient is φ = 59392.

The previous prime is 157907. The next prime is 157931. The reversal of 157930 is 39751.

157930 is digitally balanced in base 2, 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 4 ways, for example, as 101761 + 56169 = 319^2 + 237^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157895 and 157904.

It is not an unprimeable number, because it can be changed into a prime (157931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295 + ... + 634.

2¹⁵⁷⁹³⁰ is an apocalyptic number.

157930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157930 is a deficient number, since it is larger than the sum of its proper divisors (143390).

157930 is a wasteful number, since it uses less digits than its factorization.

157930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 157930 is about 397.4040764763. The cubic root of 157930 is about 54.0532168564.

The spelling of 157930 in words is "one hundred fifty-seven thousand, nine hundred thirty".