109440144 has 120 divisors (see below), whose sum is σ = 337475424. Its totient is φ = 33105600.

The previous prime is 109440143. The next prime is 109440157. The reversal of 109440144 is 441044901.

It is not an unprimeable number, because it can be changed into a prime (109440143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191379 + ... + 191949.

Almost surely, 2^109440144 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 109440144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168737712).

109440144 is an abundant number, since it is smaller than the sum of its proper divisors (228035280).

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

109440144 is a wasteful number, since it uses less digits than its factorization.

109440144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 109440144 is about 10461.3643469674. The cubic root of 109440144 is about 478.3277223648.

The spelling of 109440144 in words is "one hundred nine million, four hundred forty thousand, one hundred forty-four".