144242112121142 has 16 divisors (see below), whose sum is σ = 247672957525920. Its totient is φ = 61717856722368.

The previous prime is 144242112121111. The next prime is 144242112121153. The reversal of 144242112121142 is 241121211242441.

It is a junction number, because it is equal to n+sod(n) for n = 144242112121099 and 144242112121108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8349268517 + ... + 8349285792.

It is an arithmetic number, because the mean of its divisors is an integer number (15479559845370).

Almost surely, 2^{144242112121142} is an apocalyptic number.

144242112121142 is a deficient number, since it is larger than the sum of its proper divisors (103430845404778).

144242112121142 is a wasteful number, since it uses less digits than its factorization.

144242112121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16698554935.

The product of its digits is 8192, while the sum is 32.

Adding to 144242112121142 its reverse (241121211242441), we get a palindrome (385363323363583).

The spelling of 144242112121142 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-two".