157657533 has 8 divisors (see below), whose sum is σ = 229320096. Its totient is φ = 95550000.

The previous prime is 157657531. The next prime is 157657567. The reversal of 157657533 is 335756751.

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

It is not a de Polignac number, because 157657533 - 2¹ = 157657531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157657531) 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, 2388718 + ... + 2388783.

It is an arithmetic number, because the mean of its divisors is an integer number (28665012).

Almost surely, 2^157657533 is an apocalyptic number.

It is an amenable number.

157657533 is a deficient number, since it is larger than the sum of its proper divisors (71662563).

157657533 is a wasteful number, since it uses less digits than its factorization.

157657533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777515.

The product of its digits is 330750, while the sum is 42.

The square root of 157657533 is about 12556.1750943510. The cubic root of 157657533 is about 540.2211405648.

The spelling of 157657533 in words is "one hundred fifty-seven million, six hundred fifty-seven thousand, five hundred thirty-three".