1002143301444 has 72 divisors (see below), whose sum is σ = 2629776633120. Its totient is φ = 333696936384.

The previous prime is 1002143301409. The next prime is 1002143301449. The reversal of 1002143301444 is 4441033412001.

1002143301444 is a `hidden beast` number, since 1 + 0 + 0 + 214 + 3 + 3 + 0 + 1 + 444 = 666.

1002143301444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1002143301449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385387 + ... + 1467245.

It is an arithmetic number, because the mean of its divisors is an integer number (36524675460).

Almost surely, 2^{1002143301444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002143301444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314888316560).

1002143301444 is an abundant number, since it is smaller than the sum of its proper divisors (1627633331676).

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

1002143301444 is a wasteful number, since it uses less digits than its factorization.

1002143301444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082831 (or 1082817 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1002143301444 its reverse (4441033412001), we get a palindrome (5443176713445).

The spelling of 1002143301444 in words is "one trillion, two billion, one hundred forty-three million, three hundred one thousand, four hundred forty-four".