157244171 has 8 divisors (see below), whose sum is σ = 189166080. Its totient is φ = 127686888.

The previous prime is 157244159. The next prime is 157244189. The reversal of 157244171 is 171442751.

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

It is not a de Polignac number, because 157244171 - 2⁶ = 157244107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157244111) 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, 591011 + ... + 591276.

It is an arithmetic number, because the mean of its divisors is an integer number (23645760).

Almost surely, 2^157244171 is an apocalyptic number.

157244171 is a deficient number, since it is larger than the sum of its proper divisors (31921909).

157244171 is a wasteful number, since it uses less digits than its factorization.

157244171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182313.

The product of its digits is 7840, while the sum is 32.

The square root of 157244171 is about 12539.7037843802. The cubic root of 157244171 is about 539.7485923897.

The spelling of 157244171 in words is "one hundred fifty-seven million, two hundred forty-four thousand, one hundred seventy-one".