157934820 has 24 divisors (see below), whose sum is σ = 442217664. Its totient is φ = 42115936.

The previous prime is 157934809. The next prime is 157934831. The reversal of 157934820 is 28439751.

157934820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157934809) and next prime (157934831).

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, 1316064 + ... + 1316183.

It is an arithmetic number, because the mean of its divisors is an integer number (18425736).

Almost surely, 2^157934820 is an apocalyptic number.

157934820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157934820 is an abundant number, since it is smaller than the sum of its proper divisors (284282844).

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

157934820 is a wasteful number, since it uses less digits than its factorization.

157934820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632259 (or 2632257 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 157934820 is about 12567.2121013374. The cubic root of 157934820 is about 540.5376674951.

The spelling of 157934820 in words is "one hundred fifty-seven million, nine hundred thirty-four thousand, eight hundred twenty".