1143144412 has 12 divisors (see below), whose sum is σ = 2003570856. Its totient is φ = 570695600.

The previous prime is 1143144407. The next prime is 1143144433. The reversal of 1143144412 is 2144413411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216214 + ... + 221437.

It is an arithmetic number, because the mean of its divisors is an integer number (166964238).

Almost surely, 2^1143144412 is an apocalyptic number.

It is an amenable number.

1143144412 is a deficient number, since it is larger than the sum of its proper divisors (860426444).

1143144412 is a wasteful number, since it uses less digits than its factorization.

1143144412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438308 (or 438306 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 1143144412 is about 33810.4186901020. The cubic root of 1143144412 is about 1045.6035102786.

Adding to 1143144412 its reverse (2144413411), we get a palindrome (3287557823).

The spelling of 1143144412 in words is "one billion, one hundred forty-three million, one hundred forty-four thousand, four hundred twelve".