157550 has 24 divisors (see below), whose sum is σ = 308016. Its totient is φ = 59840.

The previous prime is 157543. The next prime is 157559. The reversal of 157550 is 55751.

157550 is nontrivially palindromic in base 7.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157559) 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 11 ways as a sum of consecutive naturals, for example, 1082 + ... + 1218.

It is an arithmetic number, because the mean of its divisors is an integer number (12834).

2¹⁵⁷⁵⁵⁰ is an apocalyptic number.

157550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157550 is a deficient number, since it is larger than the sum of its proper divisors (150466).

157550 is a wasteful number, since it uses less digits than its factorization.

157550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 157550 is about 396.9256857398. The cubic root of 157550 is about 54.0098290293.

It can be divided in two parts, 157 and 550, that added together give a palindrome (707).

The spelling of 157550 in words is "one hundred fifty-seven thousand, five hundred fifty".