159081361 has 4 divisors (see below), whose sum is σ = 160034112. Its totient is φ = 158128612.

The previous prime is 159081341. The next prime is 159081371. The reversal of 159081361 is 163180951.

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: 163180951 = 571 ⋅285781.

It is a cyclic number.

It is not a de Polignac number, because 159081361 - 2⁷ = 159081233 is a prime.

It is a super-2 number, since 2×159081361² = 50613758835224642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159081341) 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, 476125 + ... + 476458.

It is an arithmetic number, because the mean of its divisors is an integer number (40008528).

Almost surely, 2^159081361 is an apocalyptic number.

It is an amenable number.

159081361 is a deficient number, since it is larger than the sum of its proper divisors (952751).

159081361 is an equidigital number, since it uses as much as digits as its factorization.

159081361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952750.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 159081361 is about 12612.7459738155. The cubic root of 159081361 is about 541.8425410533.

The spelling of 159081361 in words is "one hundred fifty-nine million, eighty-one thousand, three hundred sixty-one".