157151665 has 8 divisors (see below), whose sum is σ = 205725888. Its totient is φ = 114292080.

The previous prime is 157151653. The next prime is 157151669. The reversal of 157151665 is 566151751.

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

It is not a de Polignac number, because 157151665 - 2⁹ = 157151153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157151669) 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, 1428597 + ... + 1428706.

It is an arithmetic number, because the mean of its divisors is an integer number (25715736).

Almost surely, 2^157151665 is an apocalyptic number.

It is an amenable number.

157151665 is a deficient number, since it is larger than the sum of its proper divisors (48574223).

157151665 is a wasteful number, since it uses less digits than its factorization.

157151665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857319.

The product of its digits is 31500, while the sum is 37.

The square root of 157151665 is about 12536.0147176046. The cubic root of 157151665 is about 539.6427277815.

The spelling of 157151665 in words is "one hundred fifty-seven million, one hundred fifty-one thousand, six hundred sixty-five".