159423689 has 8 divisors (see below), whose sum is σ = 161008128. Its totient is φ = 157847440.

The previous prime is 159423679. The next prime is 159423707. The reversal of 159423689 is 986324951.

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

It is a cyclic number.

It is not a de Polignac number, because 159423689 - 2⁴ = 159423673 is a prime.

It is a super-2 number, since 2×159423689² = 50831825228737442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159423679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41519 + ... + 45195.

It is an arithmetic number, because the mean of its divisors is an integer number (20126016).

Almost surely, 2^159423689 is an apocalyptic number.

It is an amenable number.

159423689 is a deficient number, since it is larger than the sum of its proper divisors (1584439).

159423689 is a wasteful number, since it uses less digits than its factorization.

159423689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095.

The product of its digits is 466560, while the sum is 47.

The square root of 159423689 is about 12626.3093974447. The cubic root of 159423689 is about 542.2309271812.

The spelling of 159423689 in words is "one hundred fifty-nine million, four hundred twenty-three thousand, six hundred eighty-nine".