157871 has 8 divisors (see below), whose sum is σ = 190080. Its totient is φ = 128088.

The previous prime is 157867. The next prime is 157877. The reversal of 157871 is 178751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157871 - 2² = 157867 is a prime.

It is a Duffinian 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 (157877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461 + ... + 726.

It is an arithmetic number, because the mean of its divisors is an integer number (23760).

2¹⁵⁷⁸⁷¹ is an apocalyptic number.

157871 is a deficient number, since it is larger than the sum of its proper divisors (32209).

157871 is a wasteful number, since it uses less digits than its factorization.

157871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213.

The product of its digits is 1960, while the sum is 29.

The square root of 157871 is about 397.3298377922. The cubic root of 157871 is about 54.0464848928.

The spelling of 157871 in words is "one hundred fifty-seven thousand, eight hundred seventy-one".