144231213340 has 96 divisors (see below), whose sum is σ = 332141451264. Its totient is φ = 52394603520.

The previous prime is 144231213283. The next prime is 144231213353. The reversal of 144231213340 is 43312132441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144231213299 and 144231213308.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1071019 + ... + 1198141.

It is an arithmetic number, because the mean of its divisors is an integer number (3459806784).

Almost surely, 2^144231213340 is an apocalyptic number.

144231213340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144231213340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166070725632).

144231213340 is an abundant number, since it is smaller than the sum of its proper divisors (187910237924).

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

144231213340 is a wasteful number, since it uses less digits than its factorization.

144231213340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127267 (or 127265 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 144231213340 its reverse (43312132441), we get a palindrome (187543345781).

The spelling of 144231213340 in words is "one hundred forty-four billion, two hundred thirty-one million, two hundred thirteen thousand, three hundred forty".