1144449268 has 12 divisors (see below), whose sum is σ = 2108196160. Its totient is φ = 542107512.

The previous prime is 1144449259. The next prime is 1144449269. The reversal of 1144449268 is 8629444411.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144449269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7529196 + ... + 7529347.

Almost surely, 2^1144449268 is an apocalyptic number.

It is an amenable number.

1144449268 is a deficient number, since it is larger than the sum of its proper divisors (963746892).

1144449268 is a wasteful number, since it uses less digits than its factorization.

1144449268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15058566 (or 15058564 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 1144449268 is about 33829.7098420900. The cubic root of 1144449268 is about 1046.0011979216.

The spelling of 1144449268 in words is "one billion, one hundred forty-four million, four hundred forty-nine thousand, two hundred sixty-eight".