155303256 has 64 divisors (see below), whose sum is σ = 397555200. Its totient is φ = 50544000.

The previous prime is 155303233. The next prime is 155303257. The reversal of 155303256 is 652303551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155303257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191091 + ... + 191901.

It is an arithmetic number, because the mean of its divisors is an integer number (6211800).

Almost surely, 2^155303256 is an apocalyptic number.

It is an amenable number.

155303256 is an abundant number, since it is smaller than the sum of its proper divisors (242251944).

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

155303256 is a wasteful number, since it uses less digits than its factorization.

155303256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 155303256 is about 12462.0727007990. The cubic root of 155303256 is about 537.5186289559.

The spelling of 155303256 in words is "one hundred fifty-five million, three hundred three thousand, two hundred fifty-six".