159542589 has 4 divisors (see below), whose sum is σ = 212723456. Its totient is φ = 106361724.

The previous prime is 159542573. The next prime is 159542597. The reversal of 159542589 is 985245951.

159542589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 985245951 = 3 ⋅328415317.

It is not a de Polignac number, because 159542589 - 2⁴ = 159542573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159542489) 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, 26590429 + ... + 26590434.

It is an arithmetic number, because the mean of its divisors is an integer number (53180864).

Almost surely, 2^159542589 is an apocalyptic number.

It is an amenable number.

159542589 is a deficient number, since it is larger than the sum of its proper divisors (53180867).

159542589 is an equidigital number, since it uses as much as digits as its factorization.

159542589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53180866.

The product of its digits is 648000, while the sum is 48.

The square root of 159542589 is about 12631.0169424318. The cubic root of 159542589 is about 542.3656943468.

The spelling of 159542589 in words is "one hundred fifty-nine million, five hundred forty-two thousand, five hundred eighty-nine".