1144316564 has 24 divisors (see below), whose sum is σ = 2038478400. Its totient is φ = 561913280.

The previous prime is 1144316549. The next prime is 1144316599. The reversal of 1144316564 is 4656134411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354992 + ... + 358200.

It is an arithmetic number, because the mean of its divisors is an integer number (84936600).

Almost surely, 2^1144316564 is an apocalyptic number.

It is an amenable number.

1144316564 is a deficient number, since it is larger than the sum of its proper divisors (894161836).

1144316564 is a wasteful number, since it uses less digits than its factorization.

1144316564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783 (or 4781 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 1144316564 is about 33827.7484323151. The cubic root of 1144316564 is about 1045.9607668565.

The spelling of 1144316564 in words is "one billion, one hundred forty-four million, three hundred sixteen thousand, five hundred sixty-four".