157682953 has 4 divisors (see below), whose sum is σ = 157772308. Its totient is φ = 157593600.

The previous prime is 157682951. The next prime is 157682971. The reversal of 157682953 is 359286751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 359286751 = 19 ⋅18909829.

It can be written as a sum of positive squares in 2 ways, for example, as 69172489 + 88510464 = 8317^2 + 9408^2 .

It is a cyclic number.

It is not a de Polignac number, because 157682953 - 2¹ = 157682951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157682951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41976 + ... + 45577.

It is an arithmetic number, because the mean of its divisors is an integer number (39443077).

Almost surely, 2^157682953 is an apocalyptic number.

It is an amenable number.

157682953 is a deficient number, since it is larger than the sum of its proper divisors (89355).

157682953 is an equidigital number, since it uses as much as digits as its factorization.

157682953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89354.

The product of its digits is 453600, while the sum is 46.

The square root of 157682953 is about 12557.1873044882. The cubic root of 157682953 is about 540.2501732898.

It can be divided in two parts, 15768 and 2953, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 157682953 in words is "one hundred fifty-seven million, six hundred eighty-two thousand, nine hundred fifty-three".