157810158 has 24 divisors (see below), whose sum is σ = 373006296. Its totient is φ = 47821200.

The previous prime is 157810151. The next prime is 157810183. The reversal of 157810158 is 851018751.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157810151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398313 + ... + 398708.

It is an arithmetic number, because the mean of its divisors is an integer number (15541929).

Almost surely, 2^157810158 is an apocalyptic number.

157810158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157810158 is an abundant number, since it is smaller than the sum of its proper divisors (215196138).

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

157810158 is a wasteful number, since it uses less digits than its factorization.

157810158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797040 (or 797037 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 36.

The square root of 157810158 is about 12562.2513109713. The cubic root of 157810158 is about 540.3954099825.

The spelling of 157810158 in words is "one hundred fifty-seven million, eight hundred ten thousand, one hundred fifty-eight".