155144256 has 56 divisors (see below), whose sum is σ = 421599360. Its totient is φ = 50314752.

The previous prime is 155144251. The next prime is 155144263. The reversal of 155144256 is 652441551.

155144256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (155144251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816 + ... + 18023.

It is an arithmetic number, because the mean of its divisors is an integer number (7528560).

Almost surely, 2^155144256 is an apocalyptic number.

155144256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155144256 is an abundant number, since it is smaller than the sum of its proper divisors (266455104).

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

155144256 is a wasteful number, since it uses less digits than its factorization.

155144256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21891 (or 21881 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 155144256 is about 12455.6917110211. The cubic root of 155144256 is about 537.3351285207.

The spelling of 155144256 in words is "one hundred fifty-five million, one hundred forty-four thousand, two hundred fifty-six".