157657283 has 8 divisors (see below), whose sum is σ = 180317280. Its totient is φ = 135031680.

The previous prime is 157657229. The next prime is 157657309. The reversal of 157657283 is 382756751.

It is a happy number.

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

It is not a de Polignac number, because 157657283 - 2¹² = 157653187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157657483) 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, 2123 + ... + 17883.

It is an arithmetic number, because the mean of its divisors is an integer number (22539660).

Almost surely, 2^157657283 is an apocalyptic number.

157657283 is a deficient number, since it is larger than the sum of its proper divisors (22659997).

157657283 is a wasteful number, since it uses less digits than its factorization.

157657283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17197.

The product of its digits is 352800, while the sum is 44.

The square root of 157657283 is about 12556.1651390861. The cubic root of 157657283 is about 540.2208550190.

The spelling of 157657283 in words is "one hundred fifty-seven million, six hundred fifty-seven thousand, two hundred eighty-three".