159556842 has 24 divisors (see below), whose sum is σ = 360738144. Its totient is φ = 50873064.

The previous prime is 159556829. The next prime is 159556843. The reversal of 159556842 is 248655951.

159556842 is a `hidden beast` number, since 1 + 59 + 556 + 8 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (159556843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192288 + ... + 193115.

It is an arithmetic number, because the mean of its divisors is an integer number (15030756).

Almost surely, 2^159556842 is an apocalyptic number.

159556842 is an abundant number, since it is smaller than the sum of its proper divisors (201181302).

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

159556842 is a wasteful number, since it uses less digits than its factorization.

159556842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385434 (or 385431 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 159556842 is about 12631.5811361840. The cubic root of 159556842 is about 542.3818449101.

The spelling of 159556842 in words is "one hundred fifty-nine million, five hundred fifty-six thousand, eight hundred forty-two".