1143143036 has 24 divisors (see below), whose sum is σ = 2420774496. Its totient is φ = 461099520.

The previous prime is 1143142997. The next prime is 1143143041. The reversal of 1143143036 is 6303413411.

It is a junction number, because it is equal to n+sod(n) for n = 1143142996 and 1143143014.

It is a congruent number.

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, 1200305 + ... + 1201256.

It is an arithmetic number, because the mean of its divisors is an integer number (100865604).

Almost surely, 2^1143143036 is an apocalyptic number.

It is an amenable number.

1143143036 is an abundant number, since it is smaller than the sum of its proper divisors (1277631460).

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

1143143036 is a wasteful number, since it uses less digits than its factorization.

1143143036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401589 (or 2401587 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1143143036 is about 33810.3983413387. The cubic root of 1143143036 is about 1045.6030907483.

Adding to 1143143036 its reverse (6303413411), we get a palindrome (7446556447).

The spelling of 1143143036 in words is "one billion, one hundred forty-three million, one hundred forty-three thousand, thirty-six".