158730099 has 12 divisors (see below), whose sum is σ = 232629768. Its totient is φ = 96199840.

The previous prime is 158730067. The next prime is 158730109. The reversal of 158730099 is 990037851.

It is a happy number.

It is not a de Polignac number, because 158730099 - 2⁵ = 158730067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158730099.

It is not an unprimeable number, because it can be changed into a prime (158730029) 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, 218274 + ... + 218999.

It is an arithmetic number, because the mean of its divisors is an integer number (19385814).

Almost surely, 2^158730099 is an apocalyptic number.

158730099 is a deficient number, since it is larger than the sum of its proper divisors (73899669).

158730099 is a wasteful number, since it uses less digits than its factorization.

158730099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437298 (or 437287 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 158730099 is about 12598.8133965068. The cubic root of 158730099 is about 541.4434392947.

The spelling of 158730099 in words is "one hundred fifty-eight million, seven hundred thirty thousand, ninety-nine".