159500189 has 4 divisors (see below), whose sum is σ = 160756224. Its totient is φ = 158244156.

The previous prime is 159500167. The next prime is 159500207. The reversal of 159500189 is 981005951.

159500189 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.

It is a cyclic number.

It is not a de Polignac number, because 159500189 - 2²⁰ = 158451613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159500119) 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, 627827 + ... + 628080.

It is an arithmetic number, because the mean of its divisors is an integer number (40189056).

Almost surely, 2^159500189 is an apocalyptic number.

It is an amenable number.

159500189 is a deficient number, since it is larger than the sum of its proper divisors (1256035).

159500189 is a wasteful number, since it uses less digits than its factorization.

159500189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256034.

The product of its (nonzero) digits is 16200, while the sum is 38.

The square root of 159500189 is about 12629.3384228945. The cubic root of 159500189 is about 542.3176437645.

The spelling of 159500189 in words is "one hundred fifty-nine million, five hundred thousand, one hundred eighty-nine".