144442243220020 has 12 divisors (see below), whose sum is σ = 303328710762084. Its totient is φ = 57776897288000.

The previous prime is 144442243219943. The next prime is 144442243220047. The reversal of 144442243220020 is 20022342244441.

It can be written as a sum of positive squares in 2 ways, for example, as 26159174076816 + 118283069143204 = 5114604^2 + 10875802^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3611056080481 + ... + 3611056080520.

It is an arithmetic number, because the mean of its divisors is an integer number (25277392563507).

Almost surely, 2^{144442243220020} is an apocalyptic number.

144442243220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144442243220020 is an abundant number, since it is smaller than the sum of its proper divisors (158886467542064).

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

144442243220020 is a wasteful number, since it uses less digits than its factorization.

144442243220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7222112161010 (or 7222112161008 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 144442243220020 its reverse (20022342244441), we get a palindrome (164464585464461).

The spelling of 144442243220020 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred forty-three million, two hundred twenty thousand, twenty".