159548961 has 64 divisors (see below), whose sum is σ = 268240896. Its totient is φ = 82867200.

The previous prime is 159548899. The next prime is 159548969. The reversal of 159548961 is 169845951.

It is not a de Polignac number, because 159548961 - 2⁶ = 159548897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159548961.

It is not an unprimeable number, because it can be changed into a prime (159548969) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 955300 + ... + 955466.

It is an arithmetic number, because the mean of its divisors is an integer number (4191264).

Almost surely, 2^159548961 is an apocalyptic number.

159548961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159548961 is the 7293-rd octagonal number.

It is an amenable number.

159548961 is a deficient number, since it is larger than the sum of its proper divisors (108691935).

159548961 is a wasteful number, since it uses less digits than its factorization.

159548961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 388800, while the sum is 48.

The square root of 159548961 is about 12631.2691761359. The cubic root of 159548961 is about 542.3729147975.

The spelling of 159548961 in words is "one hundred fifty-nine million, five hundred forty-eight thousand, nine hundred sixty-one".