1144133160 has 128 divisors (see below), whose sum is σ = 3597799680. Its totient is φ = 290521088.

The previous prime is 1144133153. The next prime is 1144133189. The reversal of 1144133160 is 613314411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1144133160.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708514 + ... + 710126.

It is an arithmetic number, because the mean of its divisors is an integer number (28107810).

Almost surely, 2^1144133160 is an apocalyptic number.

1144133160 is a gapful number since it is divisible by the number (10) 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 1144133160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798899840).

1144133160 is an abundant number, since it is smaller than the sum of its proper divisors (2453666520).

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

1144133160 is a wasteful number, since it uses less digits than its factorization.

1144133160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1903 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1144133160 is about 33825.0374722631. The cubic root of 1144133160 is about 1045.9048838244.

Adding to 1144133160 its reverse (613314411), we get a palindrome (1757447571).

The spelling of 1144133160 in words is "one billion, one hundred forty-four million, one hundred thirty-three thousand, one hundred sixty".