338158157 has 4 divisors (see below), whose sum is σ = 342438720. Its totient is φ = 333877596.

The previous prime is 338158153. The next prime is 338158187. The reversal of 338158157 is 751851833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 338158157 - 2² = 338158153 is a prime.

It is a super-2 number, since 2×338158157² = 228701878291273298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338158153) 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, 2140163 + ... + 2140320.

It is an arithmetic number, because the mean of its divisors is an integer number (85609680).

Almost surely, 2^338158157 is an apocalyptic number.

It is an amenable number.

338158157 is a deficient number, since it is larger than the sum of its proper divisors (4280563).

338158157 is an equidigital number, since it uses as much as digits as its factorization.

338158157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280562.

The product of its digits is 100800, while the sum is 41.

The square root of 338158157 is about 18389.0771111549. The cubic root of 338158157 is about 696.6906080868.

The spelling of 338158157 in words is "three hundred thirty-eight million, one hundred fifty-eight thousand, one hundred fifty-seven".