144422000 has 40 divisors (see below), whose sum is σ = 349217232. Its totient is φ = 57768000.

The previous prime is 144421969. The next prime is 144422009. The reversal of 144422000 is 224441.

144422000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 144422000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144422009) 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, 34106 + ... + 38105.

Almost surely, 2^144422000 is an apocalyptic number.

144422000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144422000 is an abundant number, since it is smaller than the sum of its proper divisors (204795232).

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

144422000 is an equidigital number, since it uses as much as digits as its factorization.

144422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72234 (or 72218 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 144422000 is about 12017.5704699411. The cubic root of 144422000 is about 524.6597947083.

Adding to 144422000 its reverse (224441), we get a palindrome (144646441).

The spelling of 144422000 in words is "one hundred forty-four million, four hundred twenty-two thousand".