159999215 has 16 divisors (see below), whose sum is σ = 198647040. Its totient is φ = 123586560.

The previous prime is 159999187. The next prime is 159999221. The reversal of 159999215 is 512999951.

It is not a de Polignac number, because 159999215 - 2⁸ = 159998959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88541 + ... + 90329.

It is an arithmetic number, because the mean of its divisors is an integer number (12415440).

Almost surely, 2^159999215 is an apocalyptic number.

159999215 is a deficient number, since it is larger than the sum of its proper divisors (38647825).

159999215 is a wasteful number, since it uses less digits than its factorization.

159999215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402.

The product of its digits is 328050, while the sum is 50.

The square root of 159999215 is about 12649.0796107859. The cubic root of 159999215 is about 542.8826354768.

The spelling of 159999215 in words is "one hundred fifty-nine million, nine hundred ninety-nine thousand, two hundred fifteen".