1143530332 has 24 divisors (see below), whose sum is σ = 2330215776. Its totient is φ = 480836928.

The previous prime is 1143530321. The next prime is 1143530363. The reversal of 1143530332 is 2330353411.

It is a junction number, because it is equal to n+sod(n) for n = 1143530297 and 1143530306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383803 + ... + 386770.

It is an arithmetic number, because the mean of its divisors is an integer number (97092324).

Almost surely, 2^1143530332 is an apocalyptic number.

It is an amenable number.

1143530332 is an abundant number, since it is smaller than the sum of its proper divisors (1186685444).

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

1143530332 is a wasteful number, since it uses less digits than its factorization.

1143530332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770637 (or 770635 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1143530332 is about 33816.1253250576. The cubic root of 1143530332 is about 1045.7211605953.

Adding to 1143530332 its reverse (2330353411), we get a palindrome (3473883743).

The spelling of 1143530332 in words is "one billion, one hundred forty-three million, five hundred thirty thousand, three hundred thirty-two".