1143144002 has 32 divisors (see below), whose sum is σ = 2302280064. Its totient is φ = 411120000.

The previous prime is 1143143993. The next prime is 1143144031. The reversal of 1143144002 is 2004413411.

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, 283499 + ... + 287502.

It is an arithmetic number, because the mean of its divisors is an integer number (71946252).

Almost surely, 2^1143144002 is an apocalyptic number.

1143144002 is an abundant number, since it is smaller than the sum of its proper divisors (1159136062).

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

1143144002 is a wasteful number, since it uses less digits than its factorization.

1143144002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571034.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1143144002 is about 33810.4126268817. The cubic root of 1143144002 is about 1045.6033852732.

Adding to 1143144002 its reverse (2004413411), we get a palindrome (3147557413).

The spelling of 1143144002 in words is "one billion, one hundred forty-three million, one hundred forty-four thousand, two".