1143144043440 has 80 divisors (see below), whose sum is σ = 4049996045568. Its totient is φ = 261290066688.

The previous prime is 1143144043439. The next prime is 1143144043441. The reversal of 1143144043440 is 443404413411.

It is an interprime number because it is at equal distance from previous prime (1143144043439) and next prime (1143144043441).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1143144043441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 340219762 + ... + 340223121.

Almost surely, 2^{1143144043440} is an apocalyptic number.

1143144043440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143144043440 is an abundant number, since it is smaller than the sum of its proper divisors (2906852002128).

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

1143144043440 is a wasteful number, since it uses less digits than its factorization.

1143144043440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680442906 (or 680442900 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 1143144043440 its reverse (443404413411), we get a palindrome (1586548456851).

The spelling of 1143144043440 in words is "one trillion, one hundred forty-three billion, one hundred forty-four million, forty-three thousand, four hundred forty".