159649242 has 16 divisors (see below), whose sum is σ = 319440672. Its totient is φ = 53192720.

The previous prime is 159649199. The next prime is 159649247. The reversal of 159649242 is 242946951.

It is a junction number, because it is equal to n+sod(n) for n = 159649194 and 159649203.

It is not an unprimeable number, because it can be changed into a prime (159649247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13648 + ... + 22484.

It is an arithmetic number, because the mean of its divisors is an integer number (19965042).

Almost surely, 2^159649242 is an apocalyptic number.

159649242 is an abundant number, since it is smaller than the sum of its proper divisors (159791430).

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

159649242 is a wasteful number, since it uses less digits than its factorization.

159649242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11853.

The product of its digits is 155520, while the sum is 42.

The square root of 159649242 is about 12635.2381061854. The cubic root of 159649242 is about 542.4865231987.

The spelling of 159649242 in words is "one hundred fifty-nine million, six hundred forty-nine thousand, two hundred forty-two".