159442242 has 8 divisors (see below), whose sum is σ = 318884496. Its totient is φ = 53147412.

The previous prime is 159442229. The next prime is 159442267. The reversal of 159442242 is 242244951.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

159442242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13286848 + ... + 13286859.

It is an arithmetic number, because the mean of its divisors is an integer number (39860562).

Almost surely, 2^159442242 is an apocalyptic number.

159442242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

159442242 is a wasteful number, since it uses less digits than its factorization.

159442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26573712.

The product of its digits is 23040, while the sum is 33.

The square root of 159442242 is about 12627.0440721493. The cubic root of 159442242 is about 542.2519604840.

The spelling of 159442242 in words is "one hundred fifty-nine million, four hundred forty-two thousand, two hundred forty-two".