159556 has 12 divisors (see below), whose sum is σ = 282492. Its totient is φ = 78848.

The previous prime is 159553. The next prime is 159563. The reversal of 159556 is 655951.

It is a happy number.

159556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25600 + 133956 = 160^2 + 366^2 .

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159553) 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, 276 + ... + 628.

It is an arithmetic number, because the mean of its divisors is an integer number (23541).

2¹⁵⁹⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

159556 is a deficient number, since it is larger than the sum of its proper divisors (122936).

159556 is a wasteful number, since it uses less digits than its factorization.

159556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its digits is 6750, while the sum is 31.

The square root of 159556 is about 399.4446144336. Note that the first 3 decimals coincide. The cubic root of 159556 is about 54.2380890838.

The spelling of 159556 in words is "one hundred fifty-nine thousand, five hundred fifty-six".