157464131 has 8 divisors (see below), whose sum is σ = 171873984. Its totient is φ = 143070120.

The previous prime is 157464121. The next prime is 157464163. The reversal of 157464131 is 131464751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157464131 is a prime.

It is a super-2 number, since 2×157464131² = 49589905103170322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157464121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28280 + ... + 33386.

It is an arithmetic number, because the mean of its divisors is an integer number (21484248).

Almost surely, 2^157464131 is an apocalyptic number.

157464131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157464131 is a deficient number, since it is larger than the sum of its proper divisors (14409853).

157464131 is a wasteful number, since it uses less digits than its factorization.

157464131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921.

The product of its digits is 10080, while the sum is 32.

The square root of 157464131 is about 12548.4712614725. The cubic root of 157464131 is about 540.0001497485. Note that the first 3 decimals are identical.

The spelling of 157464131 in words is "one hundred fifty-seven million, four hundred sixty-four thousand, one hundred thirty-one".