1142012442344 has 8 divisors (see below), whose sum is σ = 2141273329410. Its totient is φ = 571006221168.

The previous prime is 1142012442301. The next prime is 1142012442349. The reversal of 1142012442344 is 4432442102411.

It can be written as a sum of positive squares in only one way, i.e., 580019328100 + 561993114244 = 761590^2 + 749662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1142012442344.

It is not an unprimeable number, because it can be changed into a prime (1142012442349) 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, 71375777639 + ... + 71375777654.

Almost surely, 2^{1142012442344} is an apocalyptic number.

It is an amenable number.

1142012442344 is a deficient number, since it is larger than the sum of its proper divisors (999260887066).

1142012442344 is a wasteful number, since it uses less digits than its factorization.

1142012442344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142751555299 (or 142751555295 counting only the distinct ones).

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

Adding to 1142012442344 its reverse (4432442102411), we get a palindrome (5574454544755).

The spelling of 1142012442344 in words is "one trillion, one hundred forty-two billion, twelve million, four hundred forty-two thousand, three hundred forty-four".