1143304432 has 20 divisors (see below), whose sum is σ = 2243194720. Its totient is φ = 564415488.

The previous prime is 1143304427. The next prime is 1143304441. The reversal of 1143304432 is 2344033411.

It is a junction number, because it is equal to n+sod(n) for n = 1143304397 and 1143304406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450993 + ... + 453520.

It is an arithmetic number, because the mean of its divisors is an integer number (112159736).

Almost surely, 2^1143304432 is an apocalyptic number.

It is an amenable number.

1143304432 is a deficient number, since it is larger than the sum of its proper divisors (1099890288).

1143304432 is an equidigital number, since it uses as much as digits as its factorization.

1143304432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904600 (or 904594 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1143304432 is about 33812.7850376156. The cubic root of 1143304432 is about 1045.6522966685.

Adding to 1143304432 its reverse (2344033411), we get a palindrome (3487337843).

The spelling of 1143304432 in words is "one billion, one hundred forty-three million, three hundred four thousand, four hundred thirty-two".