1143045144 has 96 divisors (see below), whose sum is σ = 3282215040. Its totient is φ = 358732800.

The previous prime is 1143045143. The next prime is 1143045193. The reversal of 1143045144 is 4415403411.

1143045144 is a `hidden beast` number, since 1 + 143 + 0 + 4 + 514 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143045143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75664 + ... + 89504.

It is an arithmetic number, because the mean of its divisors is an integer number (34189740).

Almost surely, 2^1143045144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143045144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1641107520).

1143045144 is an abundant number, since it is smaller than the sum of its proper divisors (2139169896).

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

1143045144 is a wasteful number, since it uses less digits than its factorization.

1143045144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13921 (or 13914 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1143045144 is about 33808.9506491994. The cubic root of 1143045144 is about 1045.5732434774.

Adding to 1143045144 its reverse (4415403411), we get a palindrome (5558448555).

The spelling of 1143045144 in words is "one billion, one hundred forty-three million, forty-five thousand, one hundred forty-four".