1142102143442 has 32 divisors (see below), whose sum is σ = 1953546263424. Its totient is φ = 496094803200.

The previous prime is 1142102143439. The next prime is 1142102143447. The reversal of 1142102143442 is 2443412012411.

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 15 ways as a sum of consecutive naturals, for example, 13647467 + ... + 13730897.

It is an arithmetic number, because the mean of its divisors is an integer number (61048320732).

Almost surely, 2^{1142102143442} is an apocalyptic number.

1142102143442 is a deficient number, since it is larger than the sum of its proper divisors (811444119982).

1142102143442 is a wasteful number, since it uses less digits than its factorization.

1142102143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114434.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1142102143442 its reverse (2443412012411), we get a palindrome (3585514155853).

The spelling of 1142102143442 in words is "one trillion, one hundred forty-two billion, one hundred two million, one hundred forty-three thousand, four hundred forty-two".