157832099 has 4 divisors (see below), whose sum is σ = 157863936. Its totient is φ = 157800264.

The previous prime is 157832093. The next prime is 157832111. The reversal of 157832099 is 990238751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157832099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157832093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6704 + ... + 18989.

It is an arithmetic number, because the mean of its divisors is an integer number (39465984).

Almost surely, 2^157832099 is an apocalyptic number.

157832099 is a deficient number, since it is larger than the sum of its proper divisors (31837).

157832099 is an equidigital number, since it uses as much as digits as its factorization.

157832099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31836.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 157832099 is about 12563.1245715387. The cubic root of 157832099 is about 540.4204532928.

The spelling of 157832099 in words is "one hundred fifty-seven million, eight hundred thirty-two thousand, ninety-nine".