144444459 has 16 divisors (see below), whose sum is σ = 196245504. Its totient is φ = 94483200.

The previous prime is 144444457. The next prime is 144444467. The reversal of 144444459 is 954444441.

It is a happy number.

It is not a de Polignac number, because 144444459 - 2¹ = 144444457 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (144444457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45979 + ... + 49019.

It is an arithmetic number, because the mean of its divisors is an integer number (12265344).

Almost surely, 2^144444459 is an apocalyptic number.

144444459 is a deficient number, since it is larger than the sum of its proper divisors (51801045).

144444459 is a wasteful number, since it uses less digits than its factorization.

144444459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338.

The product of its digits is 184320, while the sum is 39.

The square root of 144444459 is about 12018.5048570943. The cubic root of 144444459 is about 524.6869898346.

The spelling of 144444459 in words is "one hundred forty-four million, four hundred forty-four thousand, four hundred fifty-nine".