157942810 has 16 divisors (see below), whose sum is σ = 284689152. Its totient is φ = 63090000.

The previous prime is 157942793. The next prime is 157942819. The reversal of 157942810 is 18249751.

It is a super-2 number, since 2×157942810² = 49891862461392200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157942810.

It is not an unprimeable number, because it can be changed into a prime (157942819) 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, 3006 + ... + 18025.

It is an arithmetic number, because the mean of its divisors is an integer number (17793072).

Almost surely, 2^157942810 is an apocalyptic number.

157942810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157942810 is a deficient number, since it is larger than the sum of its proper divisors (126746342).

157942810 is a wasteful number, since it uses less digits than its factorization.

157942810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21789.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 157942810 is about 12567.5299880287. The cubic root of 157942810 is about 540.5467826966.

The spelling of 157942810 in words is "one hundred fifty-seven million, nine hundred forty-two thousand, eight hundred ten".