1144332856 has 16 divisors (see below), whose sum is σ = 2195523000. Its totient is φ = 558860064.

The previous prime is 1144332809. The next prime is 1144332863. The reversal of 1144332856 is 6582334411.

It is a super-2 number, since 2×1144332856² = 2618995370642233472, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1662931 + ... + 1663618.

Almost surely, 2^1144332856 is an apocalyptic number.

It is an amenable number.

1144332856 is a deficient number, since it is larger than the sum of its proper divisors (1051190144).

1144332856 is a wasteful number, since it uses less digits than its factorization.

1144332856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326598 (or 3326594 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 1144332856 is about 33827.9892396814. The cubic root of 1144332856 is about 1045.9657307253.

The spelling of 1144332856 in words is "one billion, one hundred forty-four million, three hundred thirty-two thousand, eight hundred fifty-six".