1143052312 has 64 divisors (see below), whose sum is σ = 2309472000. Its totient is φ = 528748416.

The previous prime is 1143052301. The next prime is 1143052387. The reversal of 1143052312 is 2132503411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1766373 + ... + 1767019.

It is an arithmetic number, because the mean of its divisors is an integer number (36085500).

Almost surely, 2^1143052312 is an apocalyptic number.

It is an amenable number.

1143052312 is an abundant number, since it is smaller than the sum of its proper divisors (1166419688).

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

1143052312 is a wasteful number, since it uses less digits than its factorization.

1143052312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1143052312 is about 33809.0566564641. The cubic root of 1143052312 is about 1045.5754290584.

Adding to 1143052312 its reverse (2132503411), we get a palindrome (3275555723).

The spelling of 1143052312 in words is "one billion, one hundred forty-three million, fifty-two thousand, three hundred twelve".