1145041144 has 32 divisors (see below), whose sum is σ = 2330334720. Its totient is φ = 524313216.

The previous prime is 1145041127. The next prime is 1145041181. The reversal of 1145041144 is 4411405411.

It is a super-2 number, since 2×1145041144² = 2622238442905657472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30139 + ... + 56554.

It is an arithmetic number, because the mean of its divisors is an integer number (72822960).

Almost surely, 2^1145041144 is an apocalyptic number.

It is an amenable number.

1145041144 is an abundant number, since it is smaller than the sum of its proper divisors (1185293576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145041144 is a wasteful number, since it uses less digits than its factorization.

1145041144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86839 (or 86835 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 1145041144 is about 33838.4565841884. The cubic root of 1145041144 is about 1046.1814873486.

Adding to 1145041144 its reverse (4411405411), we get a palindrome (5556446555).

The spelling of 1145041144 in words is "one billion, one hundred forty-five million, forty-one thousand, one hundred forty-four".