155007255 has 32 divisors (see below), whose sum is σ = 268099776. Its totient is φ = 76022784.

The previous prime is 155007253. The next prime is 155007289. The reversal of 155007255 is 552700551.

It is not a de Polignac number, because 155007255 - 2¹ = 155007253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155007253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55779 + ... + 58491.

It is an arithmetic number, because the mean of its divisors is an integer number (8378118).

Almost surely, 2^155007255 is an apocalyptic number.

155007255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155007255 is a deficient number, since it is larger than the sum of its proper divisors (113092521).

155007255 is a wasteful number, since it uses less digits than its factorization.

155007255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027.

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 155007255 is about 12450.1909623909. The cubic root of 155007255 is about 537.1769163481.

The spelling of 155007255 in words is "one hundred fifty-five million, seven thousand, two hundred fifty-five".