144544413564 has 72 divisors (see below), whose sum is σ = 375377795520. Its totient is φ = 46863453312.

The previous prime is 144544413553. The next prime is 144544413619. The reversal of 144544413564 is 465314445441.

It is a happy number.

144544413564 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 44 + 41 + 3 + 564 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4316317 + ... + 4349675.

Almost surely, 2^144544413564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144544413564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187688897760).

144544413564 is an abundant number, since it is smaller than the sum of its proper divisors (230833381956).

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

144544413564 is a wasteful number, since it uses less digits than its factorization.

144544413564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36659 (or 36654 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 45.

The spelling of 144544413564 in words is "one hundred forty-four billion, five hundred forty-four million, four hundred thirteen thousand, five hundred sixty-four".