159402242 has 8 divisors (see below), whose sum is σ = 242471232. Its totient is φ = 78578500.

The previous prime is 159402233. The next prime is 159402263. The reversal of 159402242 is 242204951.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561134 + ... + 561417.

It is an arithmetic number, because the mean of its divisors is an integer number (30308904).

Almost surely, 2^159402242 is an apocalyptic number.

159402242 is a deficient number, since it is larger than the sum of its proper divisors (83068990).

159402242 is a wasteful number, since it uses less digits than its factorization.

159402242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122624.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 159402242 is about 12625.4600708251. The cubic root of 159402242 is about 542.2066109534.

The spelling of 159402242 in words is "one hundred fifty-nine million, four hundred two thousand, two hundred forty-two".