157357 has 4 divisors (see below), whose sum is σ = 160380. Its totient is φ = 154336.

The previous prime is 157351. The next prime is 157363. The reversal of 157357 is 753751.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (157351) and next prime (157363).

It can be written as a sum of positive squares in 2 ways, for example, as 42436 + 114921 = 206^2 + 339^2 .

It is not a de Polignac number, because 157357 - 2³ = 157349 is a prime.

It is a super-2 number, since 2×157357² = 49522450898, which contains 22 as substring.

It is a Duffinian number.

157357 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1432 + ... + 1537.

It is an arithmetic number, because the mean of its divisors is an integer number (40095).

2¹⁵⁷³⁵⁷ is an apocalyptic number.

It is an amenable number.

157357 is a deficient number, since it is larger than the sum of its proper divisors (3023).

157357 is an equidigital number, since it uses as much as digits as its factorization.

157357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022.

The product of its digits is 3675, while the sum is 28.

The square root of 157357 is about 396.6824926815. The cubic root of 157357 is about 53.9877658613.

Multiplying 157357 by its sum of digits (28), we get a triangular number (4405996 = T₂₉₆₈).

The spelling of 157357 in words is "one hundred fifty-seven thousand, three hundred fifty-seven".