1145264113 has 12 divisors (see below), whose sum is σ = 1337003172. Its totient is φ = 978149760.

The previous prime is 1145264089. The next prime is 1145264119. The reversal of 1145264113 is 3114625411.

It can be written as a sum of positive squares in 2 ways, for example, as 701614144 + 443649969 = 26488^2 + 21063^2 .

It is not a de Polignac number, because 1145264113 - 2⁹ = 1145263601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145264119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27820 + ... + 55357.

It is an arithmetic number, because the mean of its divisors is an integer number (111416931).

Almost surely, 2^1145264113 is an apocalyptic number.

It is an amenable number.

1145264113 is a deficient number, since it is larger than the sum of its proper divisors (191739059).

1145264113 is an equidigital number, since it uses as much as digits as its factorization.

1145264113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83472 (or 83465 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1145264113 is about 33841.7510333020. The cubic root of 1145264113 is about 1046.2493891010.

Adding to 1145264113 its reverse (3114625411), we get a palindrome (4259889524).

The spelling of 1145264113 in words is "one billion, one hundred forty-five million, two hundred sixty-four thousand, one hundred thirteen".