144571244 has 24 divisors (see below), whose sum is σ = 259393680. Its totient is φ = 70481664.

The previous prime is 144571237. The next prime is 144571249. The reversal of 144571244 is 442175441.

It is a self number, because there is not a number n which added to its sum of digits gives 144571244.

It is not an unprimeable number, because it can be changed into a prime (144571249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23207 + ... + 28769.

It is an arithmetic number, because the mean of its divisors is an integer number (10808070).

Almost surely, 2^144571244 is an apocalyptic number.

It is an amenable number.

144571244 is a deficient number, since it is larger than the sum of its proper divisors (114822436).

144571244 is a wasteful number, since it uses less digits than its factorization.

144571244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729 (or 5727 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 144571244 is about 12023.7782747354. The cubic root of 144571244 is about 524.8404582491.

The spelling of 144571244 in words is "one hundred forty-four million, five hundred seventy-one thousand, two hundred forty-four".