144294459 has 16 divisors (see below), whose sum is σ = 199372320. Its totient is φ = 92718080.

The previous prime is 144294443. The next prime is 144294473. The reversal of 144294459 is 954492441.

It is a cyclic number.

It is not a de Polignac number, because 144294459 - 2⁴ = 144294443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144294459.

It is not an unprimeable number, because it can be changed into a prime (144294659) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68299 + ... + 70379.

It is an arithmetic number, because the mean of its divisors is an integer number (12460770).

Almost surely, 2^144294459 is an apocalyptic number.

144294459 is a deficient number, since it is larger than the sum of its proper divisors (55077861).

144294459 is a wasteful number, since it uses less digits than its factorization.

144294459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910.

The product of its digits is 207360, while the sum is 42.

The square root of 144294459 is about 12012.2628592618. The cubic root of 144294459 is about 524.5053045277.

The spelling of 144294459 in words is "one hundred forty-four million, two hundred ninety-four thousand, four hundred fifty-nine".