1144664112 has 40 divisors (see below), whose sum is σ = 2966595840. Its totient is φ = 380322880.

The previous prime is 1144664093. The next prime is 1144664149. The reversal of 1144664112 is 2114664411.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1144664112.

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, 23412 + ... + 53267.

It is an arithmetic number, because the mean of its divisors is an integer number (74164896).

Almost surely, 2^1144664112 is an apocalyptic number.

1144664112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144664112 is an abundant number, since it is smaller than the sum of its proper divisors (1821931728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144664112 is a wasteful number, since it uses less digits than its factorization.

1144664112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77001 (or 76995 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1144664112 is about 33832.8850676380. The cubic root of 1144664112 is about 1046.0666480400.

The spelling of 1144664112 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, one hundred twelve".