157071 has 8 divisors (see below), whose sum is σ = 214704. Its totient is φ = 102080.

The previous prime is 157061. The next prime is 157081. The reversal of 157071 is 170751.

It is an interprime number because it is at equal distance from previous prime (157061) and next prime (157081).

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 157071 - 2⁶ = 157007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157051) 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, 516 + ... + 761.

It is an arithmetic number, because the mean of its divisors is an integer number (26838).

2¹⁵⁷⁰⁷¹ is an apocalyptic number.

157071 is a deficient number, since it is larger than the sum of its proper divisors (57633).

157071 is a wasteful number, since it uses less digits than its factorization.

157071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 245, while the sum is 21.

The square root of 157071 is about 396.3218389138. The cubic root of 157071 is about 53.9550380195.

The spelling of 157071 in words is "one hundred fifty-seven thousand, seventy-one".