1142144032442 has 32 divisors (see below), whose sum is σ = 2001995673600. Its totient is φ = 478601995248.

The previous prime is 1142144032433. The next prime is 1142144032453. The reversal of 1142144032442 is 2442304412411.

It is a junction number, because it is equal to n+sod(n) for n = 1142144032399 and 1142144032408.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4899092 + ... + 5126927.

It is an arithmetic number, because the mean of its divisors is an integer number (62562364800).

Almost surely, 2^{1142144032442} is an apocalyptic number.

1142144032442 is a deficient number, since it is larger than the sum of its proper divisors (859851641158).

1142144032442 is a wasteful number, since it uses less digits than its factorization.

1142144032442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10026210.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1142144032442 its reverse (2442304412411), we get a palindrome (3584448444853).

The spelling of 1142144032442 in words is "one trillion, one hundred forty-two billion, one hundred forty-four million, thirty-two thousand, four hundred forty-two".