144340420244242 has 16 divisors (see below), whose sum is σ = 218827521811800. Its totient is φ = 71399916339840.

The previous prime is 144340420244227. The next prime is 144340420244249. The reversal of 144340420244242 is 242442024043441.

It can be written as a sum of positive squares in 4 ways, for example, as 144049900322241 + 290519922001 = 12002079^2 + 538999^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144340420244195 and 144340420244204.

It is not an unprimeable number, because it can be changed into a prime (144340420244249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500697067 + ... + 500985262.

Almost surely, 2^{144340420244242} is an apocalyptic number.

144340420244242 is a deficient number, since it is larger than the sum of its proper divisors (74487101567558).

144340420244242 is a wasteful number, since it uses less digits than its factorization.

144340420244242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001683101.

The product of its (nonzero) digits is 786432, while the sum is 40.

Adding to 144340420244242 its reverse (242442024043441), we get a palindrome (386782444287683).

The spelling of 144340420244242 in words is "one hundred forty-four trillion, three hundred forty billion, four hundred twenty million, two hundred forty-four thousand, two hundred forty-two".