155961044 has 12 divisors (see below), whose sum is σ = 287296800. Its totient is φ = 73876248.

The previous prime is 155961041. The next prime is 155961061. The reversal of 155961044 is 440169551.

155961044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155960995 and 155961013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155961041) 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, 1025984 + ... + 1026135.

It is an arithmetic number, because the mean of its divisors is an integer number (23941400).

Almost surely, 2^155961044 is an apocalyptic number.

It is an amenable number.

155961044 is a deficient number, since it is larger than the sum of its proper divisors (131335756).

155961044 is a wasteful number, since it uses less digits than its factorization.

155961044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052142 (or 2052140 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 155961044 is about 12488.4364113367. The cubic root of 155961044 is about 538.2764479846.

The spelling of 155961044 in words is "one hundred fifty-five million, nine hundred sixty-one thousand, forty-four".