1442871587143 has 4 divisors (see below), whose sum is σ = 1648996099600. Its totient is φ = 1236747074688.

The previous prime is 1442871587119. The next prime is 1442871587167. The reversal of 1442871587143 is 3417851782441.

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

It is an interprime number because it is at equal distance from previous prime (1442871587119) and next prime (1442871587167).

It is a cyclic number.

It is not a de Polignac number, because 1442871587143 - 2¹⁷ = 1442871456071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442871587173) 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, 103062256218 + ... + 103062256231.

It is an arithmetic number, because the mean of its divisors is an integer number (412249024900).

Almost surely, 2^{1442871587143} is an apocalyptic number.

1442871587143 is a deficient number, since it is larger than the sum of its proper divisors (206124512457).

1442871587143 is an equidigital number, since it uses as much as digits as its factorization.

1442871587143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206124512456.

The product of its digits is 6021120, while the sum is 55.

The spelling of 1442871587143 in words is "one trillion, four hundred forty-two billion, eight hundred seventy-one million, five hundred eighty-seven thousand, one hundred forty-three".