157342179 has 4 divisors (see below), whose sum is σ = 209789576. Its totient is φ = 104894784.

The previous prime is 157342169. The next prime is 157342183. The reversal of 157342179 is 971243751.

157342179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 971243751 = 3 ⋅323747917.

It is not a de Polignac number, because 157342179 - 2⁵ = 157342147 is a prime.

It is a super-2 number, since 2×157342179² = 49513122584936082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157342169) 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, 26223694 + ... + 26223699.

It is an arithmetic number, because the mean of its divisors is an integer number (52447394).

Almost surely, 2^157342179 is an apocalyptic number.

157342179 is a deficient number, since it is larger than the sum of its proper divisors (52447397).

157342179 is an equidigital number, since it uses as much as digits as its factorization.

157342179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52447396.

The product of its digits is 52920, while the sum is 39.

The square root of 157342179 is about 12543.6110829378. The cubic root of 157342179 is about 539.8607082432.

The spelling of 157342179 in words is "one hundred fifty-seven million, three hundred forty-two thousand, one hundred seventy-nine".