1142102143441 has 6 divisors (see below), whose sum is σ = 1328567799570. Its totient is φ = 978944694336.

The previous prime is 1142102143439. The next prime is 1142102143447. The reversal of 1142102143441 is 1443412012411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1057112985600 + 84989157841 = 1028160^2 + 291529^2 .

It is not a de Polignac number, because 1142102143441 - 2¹ = 1142102143439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142102143447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11654103456 + ... + 11654103553.

It is an arithmetic number, because the mean of its divisors is an integer number (221427966595).

Almost surely, 2^{1142102143441} is an apocalyptic number.

It is an amenable number.

1142102143441 is a deficient number, since it is larger than the sum of its proper divisors (186465656129).

1142102143441 is an equidigital number, since it uses as much as digits as its factorization.

1142102143441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23308207023 (or 23308207016 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1142102143441 its reverse (1443412012411), we get a palindrome (2585514155852).

The spelling of 1142102143441 in words is "one trillion, one hundred forty-two billion, one hundred two million, one hundred forty-three thousand, four hundred forty-one".