144444449 has 8 divisors (see below), whose sum is σ = 147181920. Its totient is φ = 141716736.

The previous prime is 144444437. The next prime is 144444457. The reversal of 144444449 is 944444441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144444449 - 2⁸ = 144444193 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (144444499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31922 + ... + 36164.

It is an arithmetic number, because the mean of its divisors is an integer number (18397740).

Almost surely, 2^144444449 is an apocalyptic number.

It is an amenable number.

144444449 is a deficient number, since it is larger than the sum of its proper divisors (2737471).

144444449 is an equidigital number, since it uses as much as digits as its factorization.

144444449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879.

The product of its digits is 147456, while the sum is 38.

The square root of 144444449 is about 12018.5044410692. The cubic root of 144444449 is about 524.6869777264.

The spelling of 144444449 in words is "one hundred forty-four million, four hundred forty-four thousand, four hundred forty-nine".