159813215 has 8 divisors (see below), whose sum is σ = 197962368. Its totient is φ = 123726240.

The previous prime is 159813163. The next prime is 159813217. The reversal of 159813215 is 512318951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159813215 - 2¹² = 159809119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159813217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515372 + ... + 515681.

It is an arithmetic number, because the mean of its divisors is an integer number (24745296).

Almost surely, 2^159813215 is an apocalyptic number.

159813215 is a deficient number, since it is larger than the sum of its proper divisors (38149153).

159813215 is a wasteful number, since it uses less digits than its factorization.

159813215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031089.

The product of its digits is 10800, while the sum is 35.

The square root of 159813215 is about 12641.7251591703. The cubic root of 159813215 is about 542.6721858527.

The spelling of 159813215 in words is "one hundred fifty-nine million, eight hundred thirteen thousand, two hundred fifteen".