1442874457143 has 20 divisors (see below), whose sum is σ = 2463320061840. Its totient is φ = 824499689472.

The previous prime is 1442874457121. The next prime is 1442874457151. The reversal of 1442874457143 is 3417544782441.

1442874457143 is a `hidden beast` number, since 1 + 4 + 4 + 28 + 7 + 4 + 4 + 571 + 43 = 666.

It is not a de Polignac number, because 1442874457143 - 2⁵ = 1442874457111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1442874457143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442874457643) 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 19 ways as a sum of consecutive naturals, for example, 1272375498 + ... + 1272376631.

It is an arithmetic number, because the mean of its divisors is an integer number (123166003092).

Almost surely, 2^{1442874457143} is an apocalyptic number.

1442874457143 is a deficient number, since it is larger than the sum of its proper divisors (1020445604697).

1442874457143 is an equidigital number, since it uses as much as digits as its factorization.

1442874457143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544752148 (or 2544752139 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 54.

The spelling of 1442874457143 in words is "one trillion, four hundred forty-two billion, eight hundred seventy-four million, four hundred fifty-seven thousand, one hundred forty-three".