255135455 has 8 divisors (see below), whose sum is σ = 306256992. Its totient is φ = 204045408.

The previous prime is 255135437. The next prime is 255135467. The reversal of 255135455 is 554531552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255135455 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 17249 + ... + 28421.

It is an arithmetic number, because the mean of its divisors is an integer number (38282124).

Almost surely, 2^255135455 is an apocalyptic number.

255135455 is a deficient number, since it is larger than the sum of its proper divisors (51121537).

255135455 is a wasteful number, since it uses less digits than its factorization.

255135455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15745.

The product of its digits is 75000, while the sum is 35.

The square root of 255135455 is about 15972.9601201531. The cubic root of 255135455 is about 634.2448335745.

The spelling of 255135455 in words is "two hundred fifty-five million, one hundred thirty-five thousand, four hundred fifty-five".