1145313255 has 16 divisors (see below), whose sum is σ = 1928949120. Its totient is φ = 578684448.

The previous prime is 1145313227. The next prime is 1145313263. The reversal of 1145313255 is 5523135411.

It is not a de Polignac number, because 1145313255 - 2⁵ = 1145313223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009037 + ... + 2009606.

It is an arithmetic number, because the mean of its divisors is an integer number (120559320).

Almost surely, 2^1145313255 is an apocalyptic number.

1145313255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1145313255 is a deficient number, since it is larger than the sum of its proper divisors (783635865).

1145313255 is a wasteful number, since it uses less digits than its factorization.

1145313255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018670.

The product of its digits is 9000, while the sum is 30.

The square root of 1145313255 is about 33842.4770813249. The cubic root of 1145313255 is about 1046.2643533500.

Adding to 1145313255 its reverse (5523135411), we get a palindrome (6668448666).

The spelling of 1145313255 in words is "one billion, one hundred forty-five million, three hundred thirteen thousand, two hundred fifty-five".