1144115552 has 24 divisors (see below), whose sum is σ = 2371030200. Its totient is φ = 541949184.

The previous prime is 1144115509. The next prime is 1144115563. The reversal of 1144115552 is 2555114411.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 940277 + ... + 941492.

It is an arithmetic number, because the mean of its divisors is an integer number (98792925).

Almost surely, 2^1144115552 is an apocalyptic number.

It is an amenable number.

1144115552 is an abundant number, since it is smaller than the sum of its proper divisors (1226914648).

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

1144115552 is a wasteful number, since it uses less digits than its factorization.

1144115552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881798 (or 1881790 counting only the distinct ones).

The product of its digits is 4000, while the sum is 29.

The square root of 1144115552 is about 33824.7771906926. Note that the first 3 decimals coincide. The cubic root of 1144115552 is about 1045.8995183686.

Adding to 1144115552 its reverse (2555114411), we get a palindrome (3699229963).

The spelling of 1144115552 in words is "one billion, one hundred forty-four million, one hundred fifteen thousand, five hundred fifty-two".