1143634332 has 24 divisors (see below), whose sum is σ = 2740602256. Its totient is φ = 370908288.

The previous prime is 1143634309. The next prime is 1143634337. The reversal of 1143634332 is 2334363411.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1143634332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143634337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287433 + ... + 1288320.

Almost surely, 2^1143634332 is an apocalyptic number.

1143634332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143634332 is an abundant number, since it is smaller than the sum of its proper divisors (1596967924).

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

1143634332 is a wasteful number, since it uses less digits than its factorization.

1143634332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575797 (or 2575795 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 1143634332 is about 33817.6630180147. The cubic root of 1143634332 is about 1045.7528611694.

Adding to 1143634332 its reverse (2334363411), we get a palindrome (3477997743).

The spelling of 1143634332 in words is "one billion, one hundred forty-three million, six hundred thirty-four thousand, three hundred thirty-two".