157157683 has 4 divisors (see below), whose sum is σ = 165429160. Its totient is φ = 148886208.

The previous prime is 157157669. The next prime is 157157701. The reversal of 157157683 is 386751751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386751751 = 17 ⋅22750103.

It is a cyclic number.

It is not a de Polignac number, because 157157683 - 2¹³ = 157149491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157157603) 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 3 ways as a sum of consecutive naturals, for example, 4135710 + ... + 4135747.

It is an arithmetic number, because the mean of its divisors is an integer number (41357290).

Almost surely, 2^157157683 is an apocalyptic number.

157157683 is a deficient number, since it is larger than the sum of its proper divisors (8271477).

157157683 is an equidigital number, since it uses as much as digits as its factorization.

157157683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271476.

The product of its digits is 176400, while the sum is 43.

The square root of 157157683 is about 12536.2547437422. The cubic root of 157157683 is about 539.6496160922.

The spelling of 157157683 in words is "one hundred fifty-seven million, one hundred fifty-seven thousand, six hundred eighty-three".