159389801 has 4 divisors (see below), whose sum is σ = 159418512. Its totient is φ = 159361092.

The previous prime is 159389753. The next prime is 159389809. The reversal of 159389801 is 108983951.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 159389801 - 2²² = 155195497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159389809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071 + ... + 18116.

It is an arithmetic number, because the mean of its divisors is an integer number (39854628).

Almost surely, 2^159389801 is an apocalyptic number.

It is an amenable number.

159389801 is a deficient number, since it is larger than the sum of its proper divisors (28711).

159389801 is an equidigital number, since it uses as much as digits as its factorization.

159389801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28710.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 159389801 is about 12624.9673662945. The cubic root of 159389801 is about 542.1925045689.

The spelling of 159389801 in words is "one hundred fifty-nine million, three hundred eighty-nine thousand, eight hundred one".