159445742 has 8 divisors (see below), whose sum is σ = 240122232. Its totient is φ = 79405000.

The previous prime is 159445721. The next prime is 159445753. The reversal of 159445742 is 247544951.

159445742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 159445742.

It is a congruent 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, 158309 + ... + 159312.

It is an arithmetic number, because the mean of its divisors is an integer number (30015279).

Almost surely, 2^159445742 is an apocalyptic number.

159445742 is a deficient number, since it is larger than the sum of its proper divisors (80676490).

159445742 is a wasteful number, since it uses less digits than its factorization.

159445742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317874.

The product of its digits is 201600, while the sum is 41.

The square root of 159445742 is about 12627.1826628112. The cubic root of 159445742 is about 542.2559282071.

The spelling of 159445742 in words is "one hundred fifty-nine million, four hundred forty-five thousand, seven hundred forty-two".