144221442234340 has 48 divisors (see below), whose sum is σ = 318851389281600. Its totient is φ = 54644433846912.

The previous prime is 144221442234323. The next prime is 144221442234371. The reversal of 144221442234340 is 43432244122441.

It is a junction number, because it is equal to n+sod(n) for n = 144221442234293 and 144221442234302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24806130 + ... + 30063049.

It is an arithmetic number, because the mean of its divisors is an integer number (6642737276700).

Almost surely, 2^{144221442234340} is an apocalyptic number.

144221442234340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144221442234340 is an abundant number, since it is smaller than the sum of its proper divisors (174629947047260).

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

144221442234340 is a wasteful number, since it uses less digits than its factorization.

144221442234340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54876124 (or 54876122 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 144221442234340 its reverse (43432244122441), we get a palindrome (187653686356781).

The spelling of 144221442234340 in words is "one hundred forty-four trillion, two hundred twenty-one billion, four hundred forty-two million, two hundred thirty-four thousand, three hundred forty".