144242221132 has 12 divisors (see below), whose sum is σ = 252711719680. Its totient is φ = 72038872656.

The previous prime is 144242221121. The next prime is 144242221157. The reversal of 144242221132 is 231122242441.

It is a super-2 number, since 2×144242221132² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144242221132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20555532 + ... + 20562547.

Almost surely, 2^144242221132 is an apocalyptic number.

It is an amenable number.

144242221132 is a deficient number, since it is larger than the sum of its proper divisors (108469498548).

144242221132 is a wasteful number, since it uses less digits than its factorization.

144242221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41118960 (or 41118958 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 144242221132 its reverse (231122242441), we get a palindrome (375364463573).

The spelling of 144242221132 in words is "one hundred forty-four billion, two hundred forty-two million, two hundred twenty-one thousand, one hundred thirty-two".