157909833 has 12 divisors (see below), whose sum is σ = 228379840. Its totient is φ = 105140376.

The previous prime is 157909831. The next prime is 157909837. The reversal of 157909833 is 338909751.

It is a happy number.

It is not a de Polignac number, because 157909833 - 2¹ = 157909831 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157909831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3253 + ... + 18066.

Almost surely, 2^157909833 is an apocalyptic number.

It is an amenable number.

157909833 is a deficient number, since it is larger than the sum of its proper divisors (70470007).

157909833 is a wasteful number, since it uses less digits than its factorization.

157909833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22148 (or 22145 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 157909833 is about 12566.2179274434. The cubic root of 157909833 is about 540.5091596861.

The spelling of 157909833 in words is "one hundred fifty-seven million, nine hundred nine thousand, eight hundred thirty-three".