157655 has 4 divisors (see below), whose sum is σ = 189192. Its totient is φ = 126120.

The previous prime is 157649. The next prime is 157667. The reversal of 157655 is 556751.

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

It is not a de Polignac number, because 157655 - 2⁴ = 157639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15761 + ... + 15770.

It is an arithmetic number, because the mean of its divisors is an integer number (47298).

2¹⁵⁷⁶⁵⁵ is an apocalyptic number.

157655 is a deficient number, since it is larger than the sum of its proper divisors (31537).

157655 is an equidigital number, since it uses as much as digits as its factorization.

157655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31536.

The product of its digits is 5250, while the sum is 29.

The square root of 157655 is about 397.0579302822. The cubic root of 157655 is about 54.0218247400.

The spelling of 157655 in words is "one hundred fifty-seven thousand, six hundred fifty-five".