1145264012 has 12 divisors (see below), whose sum is σ = 2009263200. Its totient is φ = 571188816.

The previous prime is 1145264011. The next prime is 1145264023. The reversal of 1145264012 is 2104625411.

It is a super-2 number, since 2×1145264012² = 2623259314364672288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145264011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359012 + ... + 362187.

It is an arithmetic number, because the mean of its divisors is an integer number (167438600).

Almost surely, 2^1145264012 is an apocalyptic number.

It is an amenable number.

1145264012 is a deficient number, since it is larger than the sum of its proper divisors (863999188).

1145264012 is a wasteful number, since it uses less digits than its factorization.

1145264012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721600 (or 721598 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1145264012 is about 33841.7495410624. The cubic root of 1145264012 is about 1046.2493583450.

Adding to 1145264012 its reverse (2104625411), we get a palindrome (3249889423).

The spelling of 1145264012 in words is "one billion, one hundred forty-five million, two hundred sixty-four thousand, twelve".