157533899 has 2 divisors, whose sum is σ = 157533900. Its totient is φ = 157533898.

The previous prime is 157533889. The next prime is 157533941. The reversal of 157533899 is 998335751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157533899 - 2²⁴ = 140756683 is a prime.

It is not a weakly prime, because it can be changed into another prime (157533889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78766949 + 78766950.

It is an arithmetic number, because the mean of its divisors is an integer number (78766950).

Almost surely, 2^157533899 is an apocalyptic number.

157533899 is a deficient number, since it is larger than the sum of its proper divisors (1).

157533899 is an equidigital number, since it uses as much as digits as its factorization.

157533899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 50.

The square root of 157533899 is about 12551.2508938352. The cubic root of 157533899 is about 540.0798910148.

The spelling of 157533899 in words is "one hundred fifty-seven million, five hundred thirty-three thousand, eight hundred ninety-nine".