144003221432020 has 24 divisors (see below), whose sum is σ = 302421672290304. Its totient is φ = 57598449090336.

The previous prime is 144003221432011. The next prime is 144003221432039. The reversal of 144003221432020 is 20234122300441.

It is a self number, because there is not a number n which added to its sum of digits gives 144003221432020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177051772 + ... + 177863251.

It is an arithmetic number, because the mean of its divisors is an integer number (12600903012096).

Almost surely, 2^{144003221432020} is an apocalyptic number.

144003221432020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144003221432020 is an abundant number, since it is smaller than the sum of its proper divisors (158418450858284).

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

144003221432020 is a wasteful number, since it uses less digits than its factorization.

144003221432020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354935319 (or 354935317 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 144003221432020 its reverse (20234122300441), we get a palindrome (164237343732461).

The spelling of 144003221432020 in words is "one hundred forty-four trillion, three billion, two hundred twenty-one million, four hundred thirty-two thousand, twenty".