1144768844 has 12 divisors (see below), whose sum is σ = 2005189368. Its totient is φ = 571857600.

The previous prime is 1144768841. The next prime is 1144768847. The reversal of 1144768844 is 4488674411.

It is an interprime number because it is at equal distance from previous prime (1144768841) and next prime (1144768847).

It is not an unprimeable number, because it can be changed into a prime (1144768841) 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, 126797 + ... + 135524.

It is an arithmetic number, because the mean of its divisors is an integer number (167099114).

Almost surely, 2^1144768844 is an apocalyptic number.

It is an amenable number.

1144768844 is a deficient number, since it is larger than the sum of its proper divisors (860420524).

1144768844 is a wasteful number, since it uses less digits than its factorization.

1144768844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263416 (or 263414 counting only the distinct ones).

The product of its digits is 688128, while the sum is 47.

The square root of 1144768844 is about 33834.4328162894. The cubic root of 1144768844 is about 1046.0985506479.

The spelling of 1144768844 in words is "one billion, one hundred forty-four million, seven hundred sixty-eight thousand, eight hundred forty-four".