159881854 has 32 divisors (see below), whose sum is σ = 268598880. Its totient is φ = 70761600.

The previous prime is 159881833. The next prime is 159881863. The reversal of 159881854 is 458188951.

It is a junction number, because it is equal to n+sod(n) for n = 159881798 and 159881807.

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, 145732 + ... + 146824.

It is an arithmetic number, because the mean of its divisors is an integer number (8393715).

Almost surely, 2^159881854 is an apocalyptic number.

159881854 is a deficient number, since it is larger than the sum of its proper divisors (108717026).

159881854 is a wasteful number, since it uses less digits than its factorization.

159881854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its digits is 460800, while the sum is 49.

The square root of 159881854 is about 12644.4396475289. The cubic root of 159881854 is about 542.7498664224.

The spelling of 159881854 in words is "one hundred fifty-nine million, eight hundred eighty-one thousand, eight hundred fifty-four".