159542986 has 16 divisors (see below), whose sum is σ = 245703744. Its totient is φ = 77654304.

The previous prime is 159542969. The next prime is 159542987. The reversal of 159542986 is 689245951.

It is not an unprimeable number, because it can be changed into a prime (159542987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23955 + ... + 29881.

It is an arithmetic number, because the mean of its divisors is an integer number (15356484).

Almost surely, 2^159542986 is an apocalyptic number.

159542986 is a deficient number, since it is larger than the sum of its proper divisors (86160758).

159542986 is a wasteful number, since it uses less digits than its factorization.

159542986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285.

The product of its digits is 777600, while the sum is 49.

The square root of 159542986 is about 12631.0326577046. The cubic root of 159542986 is about 542.3661442141.

The spelling of 159542986 in words is "one hundred fifty-nine million, five hundred forty-two thousand, nine hundred eighty-six".