144045444 has 24 divisors (see below), whose sum is σ = 341124448. Its totient is φ = 47298240.

The previous prime is 144045431. The next prime is 144045449. The reversal of 144045444 is 444540441.

It is not an unprimeable number, because it can be changed into a prime (144045449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 88777 + ... + 90384.

Almost surely, 2^144045444 is an apocalyptic number.

It is an amenable number.

144045444 is an abundant number, since it is smaller than the sum of its proper divisors (197079004).

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

144045444 is a wasteful number, since it uses less digits than its factorization.

144045444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179235 (or 179233 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 144045444 is about 12001.8933506343. The cubic root of 144045444 is about 524.2034105296.

Adding to 144045444 its reverse (444540441), we get a palindrome (588585885).

The spelling of 144045444 in words is "one hundred forty-four million, forty-five thousand, four hundred forty-four".