159855081 has 8 divisors (see below), whose sum is σ = 213201120. Its totient is φ = 106539552.

The previous prime is 159855079. The next prime is 159855089. The reversal of 159855081 is 180558951.

159855081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 159855081 - 2¹ = 159855079 is a prime.

It is a super-2 number, since 2×159855081² = 51107293843033122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (159855089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11341 + ... + 21173.

It is an arithmetic number, because the mean of its divisors is an integer number (26650140).

Almost surely, 2^159855081 is an apocalyptic number.

It is an amenable number.

159855081 is a deficient number, since it is larger than the sum of its proper divisors (53346039).

159855081 is an equidigital number, since it uses as much as digits as its factorization.

159855081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15255.

The product of its (nonzero) digits is 72000, while the sum is 42.

The square root of 159855081 is about 12643.3809165112. The cubic root of 159855081 is about 542.7195693562.

The spelling of 159855081 in words is "one hundred fifty-nine million, eight hundred fifty-five thousand, eighty-one".