157648311 has 6 divisors (see below), whose sum is σ = 227714240. Its totient is φ = 105098868.

The previous prime is 157648297. The next prime is 157648313. The reversal of 157648311 is 113846751.

157648311 is a `hidden beast` number, since 1 + 5 + 7 + 648 + 3 + 1 + 1 = 666.

It is not a de Polignac number, because 157648311 - 2⁶ = 157648247 is a prime.

It is a super-2 number, since 2×157648311² = 49705979922305442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157648313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8758231 + ... + 8758248.

Almost surely, 2^157648311 is an apocalyptic number.

157648311 is a deficient number, since it is larger than the sum of its proper divisors (70065929).

157648311 is a wasteful number, since it uses less digits than its factorization.

157648311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17516485 (or 17516482 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 157648311 is about 12555.8078593136. The cubic root of 157648311 is about 540.2106071502.

The spelling of 157648311 in words is "one hundred fifty-seven million, six hundred forty-eight thousand, three hundred eleven".