144307244 has 24 divisors (see below), whose sum is σ = 264660480. Its totient is φ = 68717264.

The previous prime is 144307217. The next prime is 144307259. The reversal of 144307244 is 442703441.

144307244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 18707 + ... + 25269.

It is an arithmetic number, because the mean of its divisors is an integer number (11027520).

Almost surely, 2^144307244 is an apocalyptic number.

It is an amenable number.

144307244 is a deficient number, since it is larger than the sum of its proper divisors (120353236).

144307244 is a wasteful number, since it uses less digits than its factorization.

144307244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829 (or 6827 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 144307244 is about 12012.7950119862. The cubic root of 144307244 is about 524.5207950793.

The spelling of 144307244 in words is "one hundred forty-four million, three hundred seven thousand, two hundred forty-four".