159215838 has 16 divisors (see below), whose sum is σ = 322010640. Its totient is φ = 52475456.

The previous prime is 159215827. The next prime is 159215843. The reversal of 159215838 is 838512951.

It is a self number, because there is not a number n which added to its sum of digits gives 159215838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148545 + ... + 149612.

It is an arithmetic number, because the mean of its divisors is an integer number (20125665).

Almost surely, 2^159215838 is an apocalyptic number.

159215838 is an abundant number, since it is smaller than the sum of its proper divisors (162794802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159215838 is a wasteful number, since it uses less digits than its factorization.

159215838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298251.

The product of its digits is 86400, while the sum is 42.

The square root of 159215838 is about 12618.0758438044. The cubic root of 159215838 is about 541.9951774919.

The spelling of 159215838 in words is "one hundred fifty-nine million, two hundred fifteen thousand, eight hundred thirty-eight".