1145113132 has 12 divisors (see below), whose sum is σ = 2121827400. Its totient is φ = 538876736.

The previous prime is 1145113049. The next prime is 1145113141. The reversal of 1145113132 is 2313115411.

It is a happy number.

It is a super-2 number, since 2×1145113132² = 2622568170157698848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8419882 + ... + 8420017.

It is an arithmetic number, because the mean of its divisors is an integer number (176818950).

Almost surely, 2^1145113132 is an apocalyptic number.

It is an amenable number.

1145113132 is a deficient number, since it is larger than the sum of its proper divisors (976714268).

1145113132 is a wasteful number, since it uses less digits than its factorization.

1145113132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16839920 (or 16839918 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 1145113132 is about 33839.5202684672. The cubic root of 1145113132 is about 1046.2034111415.

Adding to 1145113132 its reverse (2313115411), we get a palindrome (3458228543).

The spelling of 1145113132 in words is "one billion, one hundred forty-five million, one hundred thirteen thousand, one hundred thirty-two".