157157303 has 16 divisors (see below), whose sum is σ = 170544000. Its totient is φ = 144335520.

The previous prime is 157157281. The next prime is 157157311. The reversal of 157157303 is 303751751.

It is not a de Polignac number, because 157157303 - 2⁶ = 157157239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157157303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157157323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121088 + ... + 122378.

It is an arithmetic number, because the mean of its divisors is an integer number (10659000).

Almost surely, 2^157157303 is an apocalyptic number.

157157303 is a deficient number, since it is larger than the sum of its proper divisors (13386697).

157157303 is a wasteful number, since it uses less digits than its factorization.

157157303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 157157303 is about 12536.2395876914. The cubic root of 157157303 is about 539.6491811426.

The spelling of 157157303 in words is "one hundred fifty-seven million, one hundred fifty-seven thousand, three hundred three".