159194159 has 4 divisors (see below), whose sum is σ = 159889560. Its totient is φ = 158498760.

The previous prime is 159194153. The next prime is 159194177. The reversal of 159194159 is 951491951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159194159 - 2¹⁶ = 159128623 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 (159194153) 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, 347357 + ... + 347814.

It is an arithmetic number, because the mean of its divisors is an integer number (39972390).

Almost surely, 2^159194159 is an apocalyptic number.

159194159 is a deficient number, since it is larger than the sum of its proper divisors (695401).

159194159 is an equidigital number, since it uses as much as digits as its factorization.

159194159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695400.

The product of its digits is 72900, while the sum is 44.

The square root of 159194159 is about 12617.2167691611. The cubic root of 159194159 is about 541.9705768263.

The spelling of 159194159 in words is "one hundred fifty-nine million, one hundred ninety-four thousand, one hundred fifty-nine".