108544644 has 144 divisors (see below), whose sum is σ = 321787200. Its totient is φ = 31539456.

The previous prime is 108544637. The next prime is 108544673. The reversal of 108544644 is 446445801.

It is a happy number.

108544644 is a `hidden beast` number, since 1 + 0 + 8 + 5 + 4 + 4 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 108544599 and 108544608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346632 + ... + 346944.

Almost surely, 2^108544644 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 108544644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160893600).

108544644 is an abundant number, since it is smaller than the sum of its proper divisors (213242556).

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

108544644 is a wasteful number, since it uses less digits than its factorization.

108544644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 108544644 is about 10418.4760881810. The cubic root of 108544644 is about 477.0195000137.

The spelling of 108544644 in words is "one hundred eight million, five hundred forty-four thousand, six hundred forty-four".