1145427255 has 192 divisors, whose sum is σ = 2555504640. Its totient is φ = 462578688.

The previous prime is 1145427251. The next prime is 1145427281. The reversal of 1145427255 is 5527245411.

It is not a de Polignac number, because 1145427255 - 2² = 1145427251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145427251) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7295637 + ... + 7295793.

It is an arithmetic number, because the mean of its divisors is an integer number (13309920).

Almost surely, 2^1145427255 is an apocalyptic number.

1145427255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1145427255 is an abundant number, since it is smaller than the sum of its proper divisors (1410077385).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145427255 is a wasteful number, since it uses less digits than its factorization.

1145427255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 267 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 1145427255 is about 33844.1613132901. The cubic root of 1145427255 is about 1046.2990658849.

The spelling of 1145427255 in words is "one billion, one hundred forty-five million, four hundred twenty-seven thousand, two hundred fifty-five".