1144939456 has 28 divisors (see below), whose sum is σ = 2286480568. Its totient is φ = 568818432.

The previous prime is 1144939447. The next prime is 1144939489. The reversal of 1144939456 is 6549394411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46926 + ... + 67021.

Almost surely, 2^1144939456 is an apocalyptic number.

1144939456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1144939456 is a deficient number, since it is larger than the sum of its proper divisors (1141541112).

1144939456 is a wasteful number, since it uses less digits than its factorization.

1144939456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114116 (or 114106 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 1144939456 is about 33836.9540000278. The cubic root of 1144939456 is about 1046.1505169178.

It can be divided in two parts, 11449 and 39456, that added together give a palindrome (50905).

The spelling of 1144939456 in words is "one billion, one hundred forty-four million, nine hundred thirty-nine thousand, four hundred fifty-six".