155235255 has 32 divisors (see below), whose sum is σ = 284325888. Its totient is φ = 70848000.

The previous prime is 155235253. The next prime is 155235271. The reversal of 155235255 is 552532551.

155235255 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 155235255 - 2¹ = 155235253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155235253) 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, 125490 + ... + 126720.

It is an arithmetic number, because the mean of its divisors is an integer number (8885184).

Almost surely, 2^155235255 is an apocalyptic number.

155235255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155235255 is a deficient number, since it is larger than the sum of its proper divisors (129090633).

155235255 is a wasteful number, since it uses less digits than its factorization.

155235255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447.

The product of its digits is 37500, while the sum is 33.

The square root of 155235255 is about 12459.3440838593. The cubic root of 155235255 is about 537.4401649637.

The spelling of 155235255 in words is "one hundred fifty-five million, two hundred thirty-five thousand, two hundred fifty-five".