1143044554243 has 16 divisors (see below), whose sum is σ = 1205852442880. Its totient is φ = 1080502641504.

The previous prime is 1143044554241. The next prime is 1143044554247. The reversal of 1143044554243 is 3424554403411.

It is a cyclic number.

It is not a de Polignac number, because 1143044554243 - 2¹ = 1143044554241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143044554196 and 1143044554205.

It is not an unprimeable number, because it can be changed into a prime (1143044554241) 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, 39167005 + ... + 39196177.

It is an arithmetic number, because the mean of its divisors is an integer number (75365777680).

Almost surely, 2^{1143044554243} is an apocalyptic number.

1143044554243 is a deficient number, since it is larger than the sum of its proper divisors (62807888637).

1143044554243 is a wasteful number, since it uses less digits than its factorization.

1143044554243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33658.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 1143044554243 its reverse (3424554403411), we get a palindrome (4567598957654).

The spelling of 1143044554243 in words is "one trillion, one hundred forty-three billion, forty-four million, five hundred fifty-four thousand, two hundred forty-three".