144434420243140 has 12 divisors (see below), whose sum is σ = 303312282510636. Its totient is φ = 57773768097248.

The previous prime is 144434420243137. The next prime is 144434420243149. The reversal of 144434420243140 is 41342024434441.

It can be written as a sum of positive squares in 2 ways, for example, as 70498223127684 + 73936197115456 = 8396322^2 + 8598616^2 .

It is a super-2 number, since 2×144434420243140² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144434420243093 and 144434420243102.

It is not an unprimeable number, because it can be changed into a prime (144434420243149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3610860506059 + ... + 3610860506098.

It is an arithmetic number, because the mean of its divisors is an integer number (25276023542553).

Almost surely, 2^{144434420243140} is an apocalyptic number.

144434420243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144434420243140 is an abundant number, since it is smaller than the sum of its proper divisors (158877862267496).

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

144434420243140 is a wasteful number, since it uses less digits than its factorization.

144434420243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221721012166 (or 7221721012164 counting only the distinct ones).

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

Adding to 144434420243140 its reverse (41342024434441), we get a palindrome (185776444677581).

The spelling of 144434420243140 in words is "one hundred forty-four trillion, four hundred thirty-four billion, four hundred twenty million, two hundred forty-three thousand, one hundred forty".