1142102143447 has 2 divisors, whose sum is σ = 1142102143448. Its totient is φ = 1142102143446.

The previous prime is 1142102143439. The next prime is 1142102143477. The reversal of 1142102143447 is 7443412012411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142102143447 - 2³ = 1142102143439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142102143477) 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 as a sum of consecutive naturals, namely, 571051071723 + 571051071724.

It is an arithmetic number, because the mean of its divisors is an integer number (571051071724).

Almost surely, 2^{1142102143447} is an apocalyptic number.

1142102143447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142102143447 is an equidigital number, since it uses as much as digits as its factorization.

1142102143447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 1142102143447 its reverse (7443412012411), we get a palindrome (8585514155858).

The spelling of 1142102143447 in words is "one trillion, one hundred forty-two billion, one hundred two million, one hundred forty-three thousand, four hundred forty-seven".