1002144044142 has 96 divisors (see below), whose sum is σ = 2286666293184. Its totient is φ = 316775923200.

The previous prime is 1002144044089. The next prime is 1002144044147. The reversal of 1002144044142 is 2414404412001.

It is a happy number.

1002144044142 is a `hidden beast` number, since 1 + 0 + 0 + 214 + 4 + 0 + 441 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002144044147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28134688 + ... + 28170284.

It is an arithmetic number, because the mean of its divisors is an integer number (23819440554).

Almost surely, 2^{1002144044142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002144044142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143333146592).

1002144044142 is an abundant number, since it is smaller than the sum of its proper divisors (1284522249042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002144044142 is a wasteful number, since it uses less digits than its factorization.

1002144044142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36714 (or 36711 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1002144044142 its reverse (2414404412001), we get a palindrome (3416548456143).

The spelling of 1002144044142 in words is "one trillion, two billion, one hundred forty-four million, forty-four thousand, one hundred forty-two".