1442663321144 has 8 divisors (see below), whose sum is σ = 2704993727160. Its totient is φ = 721331660568.

The previous prime is 1442663321137. The next prime is 1442663321191. The reversal of 1442663321144 is 4411233662441.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90166457564 + ... + 90166457579.

It is an arithmetic number, because the mean of its divisors is an integer number (338124215895).

Almost surely, 2^{1442663321144} is an apocalyptic number.

It is an amenable number.

1442663321144 is a deficient number, since it is larger than the sum of its proper divisors (1262330406016).

1442663321144 is a wasteful number, since it uses less digits than its factorization.

1442663321144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180332915149 (or 180332915145 counting only the distinct ones).

The product of its digits is 331776, while the sum is 41.

Adding to 1442663321144 its reverse (4411233662441), we get a palindrome (5853896983585).

The spelling of 1442663321144 in words is "one trillion, four hundred forty-two billion, six hundred sixty-three million, three hundred twenty-one thousand, one hundred forty-four".