1143032432 has 20 divisors (see below), whose sum is σ = 2224303320. Its totient is φ = 569018688.

The previous prime is 1143032389. The next prime is 1143032441. The reversal of 1143032432 is 2342303411.

It is a junction number, because it is equal to n+sod(n) for n = 1143032398 and 1143032407.

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, 152318 + ... + 159645.

It is an arithmetic number, because the mean of its divisors is an integer number (111215166).

Almost surely, 2^1143032432 is an apocalyptic number.

It is an amenable number.

1143032432 is a deficient number, since it is larger than the sum of its proper divisors (1081270888).

1143032432 is a wasteful number, since it uses less digits than its factorization.

1143032432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312200 (or 312194 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1143032432 is about 33808.7626511235. The cubic root of 1143032432 is about 1045.5693674636.

Adding to 1143032432 its reverse (2342303411), we get a palindrome (3485335843).

The spelling of 1143032432 in words is "one billion, one hundred forty-three million, thirty-two thousand, four hundred thirty-two".