157009171 has 8 divisors (see below), whose sum is σ = 172053504. Its totient is φ = 142093320.

The previous prime is 157009169. The next prime is 157009189. The reversal of 157009171 is 171900751.

157009171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 157009171 - 2¹ = 157009169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157009271) 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, 29551 + ... + 34456.

It is an arithmetic number, because the mean of its divisors is an integer number (21506688).

Almost surely, 2^157009171 is an apocalyptic number.

157009171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157009171 is a deficient number, since it is larger than the sum of its proper divisors (15044333).

157009171 is a wasteful number, since it uses less digits than its factorization.

157009171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64241.

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 157009171 is about 12530.3300435384. The cubic root of 157009171 is about 539.4795751908.

The spelling of 157009171 in words is "one hundred fifty-seven million, nine thousand, one hundred seventy-one".