157150191 has 32 divisors (see below), whose sum is σ = 246251520. Its totient is φ = 88149600.

The previous prime is 157150157. The next prime is 157150199. The reversal of 157150191 is 191051751.

It is not a de Polignac number, because 157150191 - 2²⁶ = 90041327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157150199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20190 + ... + 26868.

It is an arithmetic number, because the mean of its divisors is an integer number (7695360).

Almost surely, 2^157150191 is an apocalyptic number.

157150191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157150191 is a deficient number, since it is larger than the sum of its proper divisors (89101329).

157150191 is a wasteful number, since it uses less digits than its factorization.

157150191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6747.

The product of its (nonzero) digits is 1575, while the sum is 30.

The square root of 157150191 is about 12535.9559268530. The cubic root of 157150191 is about 539.6410405878.

The spelling of 157150191 in words is "one hundred fifty-seven million, one hundred fifty thousand, one hundred ninety-one".