144523998621 has 12 divisors (see below), whose sum is σ = 208914219072. Its totient is φ = 96276717576.

The previous prime is 144523998613. The next prime is 144523998643. The reversal of 144523998621 is 126899325441.

It is a happy number.

144523998621 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 2 + 3 + 9 + 9 + 8 + 621 = 666.

144523998621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144523998621 - 2³ = 144523998613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144523998121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6038631 + ... + 6062516.

It is an arithmetic number, because the mean of its divisors is an integer number (17409518256).

Almost surely, 2^144523998621 is an apocalyptic number.

It is an amenable number.

144523998621 is a deficient number, since it is larger than the sum of its proper divisors (64390220451).

144523998621 is a wasteful number, since it uses less digits than its factorization.

144523998621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12102480 (or 12102477 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 144523998621 in words is "one hundred forty-four billion, five hundred twenty-three million, nine hundred ninety-eight thousand, six hundred twenty-one".