1145025255 has 32 divisors (see below), whose sum is σ = 2022693120. Its totient is φ = 548468480.

The previous prime is 1145025247. The next prime is 1145025283. The reversal of 1145025255 is 5525205411.

It is not a de Polignac number, because 1145025255 - 2³ = 1145025247 is a prime.

It is a super-2 number, since 2×1145025255² = 2622165669175630050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28110 + ... + 55499.

It is an arithmetic number, because the mean of its divisors is an integer number (63209160).

Almost surely, 2^1145025255 is an apocalyptic number.

1145025255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1145025255 is a deficient number, since it is larger than the sum of its proper divisors (877667865).

1145025255 is a wasteful number, since it uses less digits than its factorization.

1145025255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83711.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 1145025255 is about 33838.2218061174. The cubic root of 1145025255 is about 1046.1766482635.

The spelling of 1145025255 in words is "one billion, one hundred forty-five million, twenty-five thousand, two hundred fifty-five".