155796 has 12 divisors (see below), whose sum is σ = 363552. Its totient is φ = 51928.

The previous prime is 155783. The next prime is 155797. The reversal of 155796 is 697551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155797) 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, 6480 + ... + 6503.

It is an arithmetic number, because the mean of its divisors is an integer number (30296).

2¹⁵⁵⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

155796 is an abundant number, since it is smaller than the sum of its proper divisors (207756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155796 is a wasteful number, since it uses less digits than its factorization.

155796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990 (or 12988 counting only the distinct ones).

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

The square root of 155796 is about 394.7100201414. The cubic root of 155796 is about 53.8086505992.

It can be divided in two parts, 1557 and 96, that added together give a triangular number (1653 = T₅₇).

The spelling of 155796 in words is "one hundred fifty-five thousand, seven hundred ninety-six".