1143442400443 has 4 divisors (see below), whose sum is σ = 1306791314800. Its totient is φ = 980093486088.

The previous prime is 1143442400431. The next prime is 1143442400467. The reversal of 1143442400443 is 3440042443411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143442400443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143442400399 and 1143442400408.

It is not an unprimeable number, because it can be changed into a prime (1143442400473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81674457168 + ... + 81674457181.

It is an arithmetic number, because the mean of its divisors is an integer number (326697828700).

Almost surely, 2^{1143442400443} is an apocalyptic number.

1143442400443 is a deficient number, since it is larger than the sum of its proper divisors (163348914357).

1143442400443 is an equidigital number, since it uses as much as digits as its factorization.

1143442400443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163348914356.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 1143442400443 its reverse (3440042443411), we get a palindrome (4583484843854).

The spelling of 1143442400443 in words is "one trillion, one hundred forty-three billion, four hundred forty-two million, four hundred thousand, four hundred forty-three".