144411444 has 96 divisors (see below), whose sum is σ = 390700800. Its totient is φ = 46085760.

The previous prime is 144411439. The next prime is 144411469. The reversal of 144411444 is 444114441.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 283462 + ... + 283970.

It is an arithmetic number, because the mean of its divisors is an integer number (4069800).

Almost surely, 2^144411444 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 144411444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195350400).

144411444 is an abundant number, since it is smaller than the sum of its proper divisors (246289356).

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

144411444 is a wasteful number, since it uses less digits than its factorization.

144411444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 622 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 144411444 is about 12017.1312716472. The cubic root of 144411444 is about 524.6470116980.

Adding to 144411444 its reverse (444114441), we get a palindrome (588525885).

The spelling of 144411444 in words is "one hundred forty-four million, four hundred eleven thousand, four hundred forty-four".