1143143012 has 48 divisors (see below), whose sum is σ = 2225509440. Its totient is φ = 509414400.

The previous prime is 1143142997. The next prime is 1143143041. The reversal of 1143143012 is 2103413411.

It is a super-3 number, since 3×1143143012³ (a number of 28 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 709664 + ... + 711272.

It is an arithmetic number, because the mean of its divisors is an integer number (46364780).

Almost surely, 2^1143143012 is an apocalyptic number.

It is an amenable number.

1143143012 is a deficient number, since it is larger than the sum of its proper divisors (1082366428).

1143143012 is a wasteful number, since it uses less digits than its factorization.

1143143012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1143143012 is about 33810.3979864183. The cubic root of 1143143012 is about 1045.6030834309.

Adding to 1143143012 its reverse (2103413411), we get a palindrome (3246556423).

The spelling of 1143143012 in words is "one billion, one hundred forty-three million, one hundred forty-three thousand, twelve".