159936481 has 2 divisors, whose sum is σ = 159936482. Its totient is φ = 159936480.

The previous prime is 159936473. The next prime is 159936541. The reversal of 159936481 is 184639951.

159936481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130873600 + 29062881 = 11440^2 + 5391^2 .

It is an emirp because it is prime and its reverse (184639951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159936481 - 2³ = 159936473 is a prime.

It is a super-2 number, since 2×159936481² = 51159355909326722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159936461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79968240 + 79968241.

It is an arithmetic number, because the mean of its divisors is an integer number (79968241).

Almost surely, 2^159936481 is an apocalyptic number.

It is an amenable number.

159936481 is a deficient number, since it is larger than the sum of its proper divisors (1).

159936481 is an equidigital number, since it uses as much as digits as its factorization.

159936481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 46.

The square root of 159936481 is about 12646.5995824965. The cubic root of 159936481 is about 542.8116733549.

The spelling of 159936481 in words is "one hundred fifty-nine million, nine hundred thirty-six thousand, four hundred eighty-one".