1143134433 has 12 divisors (see below), whose sum is σ = 1887079168. Its totient is φ = 653219640.

The previous prime is 1143134359. The next prime is 1143134459. The reversal of 1143134433 is 3344313411.

It is not a de Polignac number, because 1143134433 - 2⁸ = 1143134177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1143134397 and 1143134406.

It is not an unprimeable number, because it can be changed into a prime (1143134483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9072433 + ... + 9072558.

Almost surely, 2^1143134433 is an apocalyptic number.

It is an amenable number.

1143134433 is a deficient number, since it is larger than the sum of its proper divisors (743944735).

1143134433 is a wasteful number, since it uses less digits than its factorization.

1143134433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18145004 (or 18145001 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 1143134433 is about 33810.2711169254. The cubic root of 1143134433 is about 1045.6004677619.

Adding to 1143134433 its reverse (3344313411), we get a palindrome (4487447844).

The spelling of 1143134433 in words is "one billion, one hundred forty-three million, one hundred thirty-four thousand, four hundred thirty-three".