159812842 has 16 divisors (see below), whose sum is σ = 281370240. Its totient is φ = 66639888.

The previous prime is 159812839. The next prime is 159812867. The reversal of 159812842 is 248218951.

It is a junction number, because it is equal to n+sod(n) for n = 159812795 and 159812804.

It is an unprimeable number.

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, 153742 + ... + 154777.

It is an arithmetic number, because the mean of its divisors is an integer number (17585640).

Almost surely, 2^159812842 is an apocalyptic number.

159812842 is a deficient number, since it is larger than the sum of its proper divisors (121557398).

159812842 is a wasteful number, since it uses less digits than its factorization.

159812842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308565.

The product of its digits is 46080, while the sum is 40.

The square root of 159812842 is about 12641.7104064284. The cubic root of 159812842 is about 542.6717636580.

The spelling of 159812842 in words is "one hundred fifty-nine million, eight hundred twelve thousand, eight hundred forty-two".