1144664338 has 32 divisors (see below), whose sum is σ = 1804008960. Its totient is φ = 544190400.

The previous prime is 1144664327. The next prime is 1144664351. The reversal of 1144664338 is 8334664411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144664338.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601188 + ... + 603088.

It is an arithmetic number, because the mean of its divisors is an integer number (56375280).

Almost surely, 2^1144664338 is an apocalyptic number.

1144664338 is a deficient number, since it is larger than the sum of its proper divisors (659344622).

1144664338 is a wasteful number, since it uses less digits than its factorization.

1144664338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122.

The product of its digits is 165888, while the sum is 40.

The square root of 1144664338 is about 33832.8884075835. Note that the first 3 decimals coincide. The cubic root of 1144664338 is about 1046.0667168844.

The spelling of 1144664338 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, three hundred thirty-eight".