157326457 has 16 divisors (see below), whose sum is σ = 165888000. Its totient is φ = 149022720.

The previous prime is 157326439. The next prime is 157326469. The reversal of 157326457 is 754623751.

It is a cyclic number.

It is not a de Polignac number, because 157326457 - 2⁷ = 157326329 is a prime.

It is a super-2 number, since 2×157326457² = 49503228144345698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157326157) 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 15 ways as a sum of consecutive naturals, for example, 350169 + ... + 350617.

It is an arithmetic number, because the mean of its divisors is an integer number (10368000).

Almost surely, 2^157326457 is an apocalyptic number.

It is an amenable number.

157326457 is a deficient number, since it is larger than the sum of its proper divisors (8561543).

157326457 is a wasteful number, since it uses less digits than its factorization.

157326457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its digits is 176400, while the sum is 40.

The square root of 157326457 is about 12542.9843737446. The cubic root of 157326457 is about 539.8427262610.

The spelling of 157326457 in words is "one hundred fifty-seven million, three hundred twenty-six thousand, four hundred fifty-seven".