157942900 has 18 divisors (see below), whose sum is σ = 342736310. Its totient is φ = 63177120.

The previous prime is 157942879. The next prime is 157942921. The reversal of 157942900 is 9249751.

It is an interprime number because it is at equal distance from previous prime (157942879) and next prime (157942921).

It can be written as a sum of positive squares in 3 ways, for example, as 88804 + 157854096 = 298^2 + 12564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157942900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 789615 + ... + 789814.

Almost surely, 2^157942900 is an apocalyptic number.

157942900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157942900 is an abundant number, since it is smaller than the sum of its proper divisors (184793410).

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

157942900 is a wasteful number, since it uses less digits than its factorization.

157942900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579443 (or 1579436 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 157942900 is about 12567.5335686840. The cubic root of 157942900 is about 540.5468853692.

The spelling of 157942900 in words is "one hundred fifty-seven million, nine hundred forty-two thousand, nine hundred".