157232271 has 16 divisors (see below), whose sum is σ = 239842304. Its totient is φ = 89753184.

The previous prime is 157232263. The next prime is 157232311. The reversal of 157232271 is 172232751.

It is not a de Polignac number, because 157232271 - 2³ = 157232263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157222271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20106 + ... + 26808.

It is an arithmetic number, because the mean of its divisors is an integer number (14990144).

Almost surely, 2^157232271 is an apocalyptic number.

157232271 is a deficient number, since it is larger than the sum of its proper divisors (82610033).

157232271 is a wasteful number, since it uses less digits than its factorization.

157232271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7830.

The product of its digits is 5880, while the sum is 30.

The square root of 157232271 is about 12539.2292825357. The cubic root of 157232271 is about 539.7349762617.

The spelling of 157232271 in words is "one hundred fifty-seven million, two hundred thirty-two thousand, two hundred seventy-one".