1143222402143 has 4 divisors (see below), whose sum is σ = 1171105875408. Its totient is φ = 1115338928880.

The previous prime is 1143222402139. The next prime is 1143222402151. The reversal of 1143222402143 is 3412042223411.

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

It is a cyclic number.

It is not a de Polignac number, because 1143222402143 - 2² = 1143222402139 is a prime.

It is a super-2 number, since 2×1143222402143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143222404143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13941736571 + ... + 13941736652.

It is an arithmetic number, because the mean of its divisors is an integer number (292776468852).

Almost surely, 2^{1143222402143} is an apocalyptic number.

1143222402143 is a deficient number, since it is larger than the sum of its proper divisors (27883473265).

1143222402143 is an equidigital number, since it uses as much as digits as its factorization.

1143222402143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27883473264.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1143222402143 its reverse (3412042223411), we get a palindrome (4555264625554).

The spelling of 1143222402143 in words is "one trillion, one hundred forty-three billion, two hundred twenty-two million, four hundred two thousand, one hundred forty-three".