155256033 has 16 divisors (see below), whose sum is σ = 213932096. Its totient is φ = 100077120.

The previous prime is 155255977. The next prime is 155256043. The reversal of 155256033 is 330652551.

It is not a de Polignac number, because 155256033 - 2⁹ = 155255521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155256043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13803 + ... + 22383.

It is an arithmetic number, because the mean of its divisors is an integer number (13370756).

Almost surely, 2^155256033 is an apocalyptic number.

It is an amenable number.

155256033 is a deficient number, since it is larger than the sum of its proper divisors (58676063).

155256033 is a wasteful number, since it uses less digits than its factorization.

155256033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784.

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

The square root of 155256033 is about 12460.1778879758. The cubic root of 155256033 is about 537.4641424069.

The spelling of 155256033 in words is "one hundred fifty-five million, two hundred fifty-six thousand, thirty-three".