1144286768 has 20 divisors (see below), whose sum is σ = 2219582640. Its totient is φ = 571491264.

The previous prime is 1144286743. The next prime is 1144286791. The reversal of 1144286768 is 8676824411.

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, 26123 + ... + 54506.

It is an arithmetic number, because the mean of its divisors is an integer number (110979132).

Almost surely, 2^1144286768 is an apocalyptic number.

It is an amenable number.

1144286768 is a deficient number, since it is larger than the sum of its proper divisors (1075295872).

1144286768 is an equidigital number, since it uses as much as digits as its factorization.

1144286768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81524 (or 81518 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 1144286768 is about 33827.3080217744. The cubic root of 1144286768 is about 1045.9516884486.

The spelling of 1144286768 in words is "one billion, one hundred forty-four million, two hundred eighty-six thousand, seven hundred sixty-eight".