1143033140 has 48 divisors (see below), whose sum is σ = 2432203200. Its totient is φ = 451191552.

The previous prime is 1143033113. The next prime is 1143033149. The reversal of 1143033140 is 413303411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143033149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496472 + ... + 498768.

It is an arithmetic number, because the mean of its divisors is an integer number (50670900).

Almost surely, 2^1143033140 is an apocalyptic number.

1143033140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143033140 is an abundant number, since it is smaller than the sum of its proper divisors (1289170060).

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

1143033140 is a wasteful number, since it uses less digits than its factorization.

1143033140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624 (or 2622 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1143033140 is about 33808.7731217801. The cubic root of 1143033140 is about 1045.5695833405.

Adding to 1143033140 its reverse (413303411), we get a palindrome (1556336551).

The spelling of 1143033140 in words is "one billion, one hundred forty-three million, thirty-three thousand, one hundred forty".