1144713444 has 96 divisors (see below), whose sum is σ = 3227750400. Its totient is φ = 308448000.

The previous prime is 1144713443. The next prime is 1144713523. The reversal of 1144713444 is 4443174411.

It is a super-2 number, since 2×1144713444² = 2620737737748682272, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1144713443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379944 + ... + 382944.

It is an arithmetic number, because the mean of its divisors is an integer number (33622400).

Almost surely, 2^1144713444 is an apocalyptic number.

1144713444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144713444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613875200).

1144713444 is an abundant number, since it is smaller than the sum of its proper divisors (2083036956).

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

1144713444 is a wasteful number, since it uses less digits than its factorization.

1144713444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3271 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 1144713444 is about 33833.6141137774. The cubic root of 1144713444 is about 1046.0816753940.

Adding to 1144713444 its reverse (4443174411), we get a palindrome (5587887855).

The spelling of 1144713444 in words is "one billion, one hundred forty-four million, seven hundred thirteen thousand, four hundred forty-four".