155967 has 12 divisors (see below), whose sum is σ = 242136. Its totient is φ = 89040.

The previous prime is 155921. The next prime is 156007. The reversal of 155967 is 769551.

155967 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 155967 - 2¹⁰ = 154943 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 155967.

It is not an unprimeable number, because it can be changed into a prime (155167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384 + ... + 677.

It is an arithmetic number, because the mean of its divisors is an integer number (20178).

2¹⁵⁵⁹⁶⁷ is an apocalyptic number.

155967 is a deficient number, since it is larger than the sum of its proper divisors (86169).

155967 is a wasteful number, since it uses less digits than its factorization.

155967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1071 counting only the distinct ones).

The product of its digits is 9450, while the sum is 33.

The square root of 155967 is about 394.9265754542. The cubic root of 155967 is about 53.8283299981.

The spelling of 155967 in words is "one hundred fifty-five thousand, nine hundred sixty-seven".