157051020 has 96 divisors (see below), whose sum is σ = 505612800. Its totient is φ = 35679744.

The previous prime is 157051019. The next prime is 157051039. The reversal of 157051020 is 20150751.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74136 + ... + 76224.

It is an arithmetic number, because the mean of its divisors is an integer number (5266800).

Almost surely, 2^157051020 is an apocalyptic number.

157051020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157051020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252806400).

157051020 is an abundant number, since it is smaller than the sum of its proper divisors (348561780).

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

157051020 is a wasteful number, since it uses less digits than its factorization.

157051020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2285 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 157051020 is about 12531.9998404086. Note that the first 3 decimals coincide. The cubic root of 157051020 is about 539.5275016379.

The spelling of 157051020 in words is "one hundred fifty-seven million, fifty-one thousand, twenty".