1144381384 has 32 divisors (see below), whose sum is σ = 2273654880. Its totient is φ = 538124544.

The previous prime is 1144381327. The next prime is 1144381391. The reversal of 1144381384 is 4831834411.

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, 251659 + ... + 256165.

It is an arithmetic number, because the mean of its divisors is an integer number (71051715).

Almost surely, 2^1144381384 is an apocalyptic number.

It is an amenable number.

1144381384 is a deficient number, since it is larger than the sum of its proper divisors (1129273496).

1144381384 is a wasteful number, since it uses less digits than its factorization.

1144381384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397 (or 6393 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 1144381384 is about 33828.7065079349. The cubic root of 1144381384 is about 1045.9805160235.

The spelling of 1144381384 in words is "one billion, one hundred forty-four million, three hundred eighty-one thousand, three hundred eighty-four".