1143140332 has 24 divisors (see below), whose sum is σ = 2034060336. Its totient is φ = 562011648.

The previous prime is 1143140329. The next prime is 1143140347. The reversal of 1143140332 is 2330413411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155328 + ... + 162520.

It is an arithmetic number, because the mean of its divisors is an integer number (84752514).

Almost surely, 2^1143140332 is an apocalyptic number.

It is an amenable number.

1143140332 is a deficient number, since it is larger than the sum of its proper divisors (890920004).

1143140332 is a wasteful number, since it uses less digits than its factorization.

1143140332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857 (or 7855 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1143140332 is about 33810.3583536170. The cubic root of 1143140332 is about 1045.6022663216.

Adding to 1143140332 its reverse (2330413411), we get a palindrome (3473553743).

The spelling of 1143140332 in words is "one billion, one hundred forty-three million, one hundred forty thousand, three hundred thirty-two".