159643142 has 8 divisors (see below), whose sum is σ = 240235632. Its totient is φ = 79564600.

The previous prime is 159643139. The next prime is 159643153. The reversal of 159643142 is 241346951.

159643142 is digitally balanced in base 3, 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 congruent number.

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 3 ways as a sum of consecutive naturals, for example, 127709 + ... + 128952.

It is an arithmetic number, because the mean of its divisors is an integer number (30029454).

Almost surely, 2^159643142 is an apocalyptic number.

159643142 is a deficient number, since it is larger than the sum of its proper divisors (80592490).

159643142 is a wasteful number, since it uses less digits than its factorization.

159643142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256974.

The product of its digits is 25920, while the sum is 35.

The square root of 159643142 is about 12634.9967154725. The cubic root of 159643142 is about 542.4796138644.

The spelling of 159643142 in words is "one hundred fifty-nine million, six hundred forty-three thousand, one hundred forty-two".