144442220023002 has 24 divisors (see below), whose sum is σ = 317534136581088. Its totient is φ = 43770369703720.

The previous prime is 144442220022983. The next prime is 144442220023033. The reversal of 144442220023002 is 200320022244441.

It is a happy number.

144442220023002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99478112238 + ... + 99478113689.

It is an arithmetic number, because the mean of its divisors is an integer number (13230589024212).

Almost surely, 2^{144442220023002} is an apocalyptic number.

144442220023002 is an abundant number, since it is smaller than the sum of its proper divisors (173091916558086).

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

144442220023002 is a wasteful number, since it uses less digits than its factorization.

144442220023002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198956225954 (or 198956225943 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 144442220023002 its reverse (200320022244441), we get a palindrome (344762242267443).

The spelling of 144442220023002 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred twenty million, twenty-three thousand, two".