157109159 has 4 divisors (see below), whose sum is σ = 163940016. Its totient is φ = 150278304.

The previous prime is 157109131. The next prime is 157109167. The reversal of 157109159 is 951901751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157109159 - 2¹² = 157105063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157109129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3415394 + ... + 3415439.

It is an arithmetic number, because the mean of its divisors is an integer number (40985004).

Almost surely, 2^157109159 is an apocalyptic number.

157109159 is a deficient number, since it is larger than the sum of its proper divisors (6830857).

157109159 is an equidigital number, since it uses as much as digits as its factorization.

157109159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6830856.

The product of its (nonzero) digits is 14175, while the sum is 38.

The square root of 157109159 is about 12534.3192475698. The cubic root of 157109159 is about 539.5940696435.

The spelling of 157109159 in words is "one hundred fifty-seven million, one hundred nine thousand, one hundred fifty-nine".