157332819 has 16 divisors (see below), whose sum is σ = 240261120. Its totient is φ = 89711040.

The previous prime is 157332797. The next prime is 157332821. The reversal of 157332819 is 918233751.

It is not a de Polignac number, because 157332819 - 2⁷ = 157332691 is a prime.

It is a super-2 number, since 2×157332819² = 49507231868973522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157332869) 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, 2239 + ... + 17879.

It is an arithmetic number, because the mean of its divisors is an integer number (15016320).

Almost surely, 2^157332819 is an apocalyptic number.

157332819 is a deficient number, since it is larger than the sum of its proper divisors (82928301).

157332819 is a wasteful number, since it uses less digits than its factorization.

157332819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16130.

The product of its digits is 45360, while the sum is 39.

The square root of 157332819 is about 12543.2379790866. The cubic root of 157332819 is about 539.8500029204.

The spelling of 157332819 in words is "one hundred fifty-seven million, three hundred thirty-two thousand, eight hundred nineteen".