144140220331422 has 32 divisors (see below), whose sum is σ = 329464546156800. Its totient is φ = 41182771919808.

The previous prime is 144140220331421. The next prime is 144140220331439. The reversal of 144140220331422 is 224133022041441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144140220331421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5916829 + ... + 17980247.

It is an arithmetic number, because the mean of its divisors is an integer number (10295767067400).

Almost surely, 2^{144140220331422} is an apocalyptic number.

144140220331422 is an abundant number, since it is smaller than the sum of its proper divisors (185324325825378).

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

144140220331422 is a wasteful number, since it uses less digits than its factorization.

144140220331422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12347920.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 144140220331422 its reverse (224133022041441), we get a palindrome (368273242372863).

The spelling of 144140220331422 in words is "one hundred forty-four trillion, one hundred forty billion, two hundred twenty million, three hundred thirty-one thousand, four hundred twenty-two".