144442441 has 12 divisors (see below), whose sum is σ = 170629200. Its totient is φ = 121208880.

The previous prime is 144442433. The next prime is 144442451. The reversal of 144442441 is 144244441.

It is not a de Polignac number, because 144442441 - 2³ = 144442433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144442451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36991 + ... + 40708.

It is an arithmetic number, because the mean of its divisors is an integer number (14219100).

Almost surely, 2^144442441 is an apocalyptic number.

144442441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144442441 is a deficient number, since it is larger than the sum of its proper divisors (26186759).

144442441 is a wasteful number, since it uses less digits than its factorization.

144442441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77736 (or 77723 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

The square root of 144442441 is about 12018.4209029306. The cubic root of 144442441 is about 524.6845463965.

Adding to 144442441 its reverse (144244441), we get a palindrome (288686882).

The spelling of 144442441 in words is "one hundred forty-four million, four hundred forty-two thousand, four hundred forty-one".