144222021420 has 24 divisors (see below), whose sum is σ = 403821660144. Its totient is φ = 38459205696.

The previous prime is 144222021373. The next prime is 144222021431. The reversal of 144222021420 is 24120222441.

It is a happy number.

144222021420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201850119 + ... + 1201850238.

It is an arithmetic number, because the mean of its divisors is an integer number (16825902506).

Almost surely, 2^144222021420 is an apocalyptic number.

144222021420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144222021420 is an abundant number, since it is smaller than the sum of its proper divisors (259599638724).

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

144222021420 is a wasteful number, since it uses less digits than its factorization.

144222021420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403700369 (or 2403700367 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 144222021420 its reverse (24120222441), we get a palindrome (168342243861).

It can be divided in two parts, 144222021 and 420, that added together give a palindrome (144222441).

The spelling of 144222021420 in words is "one hundred forty-four billion, two hundred twenty-two million, twenty-one thousand, four hundred twenty".