144242112121140 has 96 divisors (see below), whose sum is σ = 459750352674816. Its totient is φ = 33447446285440.

The previous prime is 144242112121111. The next prime is 144242112121153. The reversal of 144242112121140 is 41121211242441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 144242112121098 and 144242112121107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4751042532 + ... + 4751072891.

It is an arithmetic number, because the mean of its divisors is an integer number (4789066173696).

Almost surely, 2^{144242112121140} is an apocalyptic number.

144242112121140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144242112121140 is an abundant number, since it is smaller than the sum of its proper divisors (315508240553676).

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

144242112121140 is a wasteful number, since it uses less digits than its factorization.

144242112121140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502115469 (or 9502115467 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

Adding to 144242112121140 its reverse (41121211242441), we get a palindrome (185363323363581).

The spelling of 144242112121140 in words is "one hundred forty-four trillion, two hundred forty-two billion, one hundred twelve million, one hundred twenty-one thousand, one hundred forty".