155045256 has 32 divisors (see below), whose sum is σ = 393076800. Its totient is φ = 50953280.

The previous prime is 155045249. The next prime is 155045309. The reversal of 155045256 is 652540551.

155045256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×155045256³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43791 + ... + 47198.

It is an arithmetic number, because the mean of its divisors is an integer number (12283650).

Almost surely, 2^155045256 is an apocalyptic number.

It is an amenable number.

155045256 is an abundant number, since it is smaller than the sum of its proper divisors (238031544).

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

155045256 is a wasteful number, since it uses less digits than its factorization.

155045256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91069 (or 91065 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 155045256 is about 12451.7169900380. The cubic root of 155045256 is about 537.2208101905.

The spelling of 155045256 in words is "one hundred fifty-five million, forty-five thousand, two hundred fifty-six".