99159 has 4 divisors (see below), whose sum is σ = 132216. Its totient is φ = 66104.

The previous prime is 99149. The next prime is 99173. The reversal of 99159 is 95199.

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

It is a cyclic number.

It is not a de Polignac number, because 99159 - 2¹² = 95063 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16524 + ... + 16529.

It is an arithmetic number, because the mean of its divisors is an integer number (33054).

2⁹⁹¹⁵⁹ is an apocalyptic number.

99159 is a deficient number, since it is larger than the sum of its proper divisors (33057).

99159 is a wasteful number, since it uses less digits than its factorization.

99159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33056.

The product of its digits is 3645, while the sum is 33.

The square root of 99159 is about 314.8952206687. The cubic root of 99159 is about 46.2854026478.

The spelling of 99159 in words is "ninety-nine thousand, one hundred fifty-nine".