155103255 has 24 divisors (see below), whose sum is σ = 278805072. Its totient is φ = 82721088.

The previous prime is 155103253. The next prime is 155103331. The reversal of 155103255 is 552301551.

155103255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155103255 - 2¹ = 155103253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155103253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62614 + ... + 65043.

It is an arithmetic number, because the mean of its divisors is an integer number (11616878).

Almost surely, 2^155103255 is an apocalyptic number.

155103255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155103255 is a deficient number, since it is larger than the sum of its proper divisors (123701817).

155103255 is an equidigital number, since it uses as much as digits as its factorization.

155103255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127677 (or 127665 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 155103255 is about 12454.0457281961. The cubic root of 155103255 is about 537.2877893126.

The spelling of 155103255 in words is "one hundred fifty-five million, one hundred three thousand, two hundred fifty-five".