155968 has 14 divisors (see below), whose sum is σ = 309626. Its totient is φ = 77952.

The previous prime is 155921. The next prime is 156007. The reversal of 155968 is 869551.

It can be written as a sum of positive squares in only one way, i.e., 153664 + 2304 = 392^2 + 48^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155 + ... + 1282.

2¹⁵⁵⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

155968 is a deficient number, since it is larger than the sum of its proper divisors (153658).

155968 is an equidigital number, since it uses as much as digits as its factorization.

155968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449 (or 2439 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 155968 is about 394.9278415103. The cubic root of 155968 is about 53.8284450400.

The spelling of 155968 in words is "one hundred fifty-five thousand, nine hundred sixty-eight".