1144113144 has 16 divisors (see below), whose sum is σ = 2860282920. Its totient is φ = 381371040.

The previous prime is 1144113143. The next prime is 1144113161. The reversal of 1144113144 is 4413114411.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 47671381 = 1144113144 / (1 + 1 + 4 + 4 + 1 + 1 + 3 + 1 + 4 + 4).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144113143) 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, 23835667 + ... + 23835714.

Almost surely, 2^1144113144 is an apocalyptic number.

It is an amenable number.

1144113144 is an abundant number, since it is smaller than the sum of its proper divisors (1716169776).

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

1144113144 is a wasteful number, since it uses less digits than its factorization.

1144113144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47671390 (or 47671386 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 1144113144 is about 33824.7415954653. The cubic root of 1144113144 is about 1045.8987846059.

Adding to 1144113144 its reverse (4413114411), we get a palindrome (5557227555).

The spelling of 1144113144 in words is "one billion, one hundred forty-four million, one hundred thirteen thousand, one hundred forty-four".