157874331 has 8 divisors (see below), whose sum is σ = 210557200. Its totient is φ = 105220512.

The previous prime is 157874309. The next prime is 157874357. The reversal of 157874331 is 133478751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157874331 - 2⁶ = 157874267 is a prime.

It is a super-2 number, since 2×157874331² = 49848608777395122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157874331.

It is not an unprimeable number, because it can be changed into a prime (157879331) 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, 17061 + ... + 24633.

It is an arithmetic number, because the mean of its divisors is an integer number (26319650).

Almost surely, 2^157874331 is an apocalyptic number.

157874331 is a deficient number, since it is larger than the sum of its proper divisors (52682869).

157874331 is an equidigital number, since it uses as much as digits as its factorization.

157874331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14525.

The product of its digits is 70560, while the sum is 39.

The square root of 157874331 is about 12564.8052511768. The cubic root of 157874331 is about 540.4686500820.

The spelling of 157874331 in words is "one hundred fifty-seven million, eight hundred seventy-four thousand, three hundred thirty-one".