144226566 has 24 divisors (see below), whose sum is σ = 340899624. Its totient is φ = 43704960.

The previous prime is 144226553. The next prime is 144226567. The reversal of 144226566 is 665622441.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 144226566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144226567) 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 11 ways as a sum of consecutive naturals, for example, 364011 + ... + 364406.

It is an arithmetic number, because the mean of its divisors is an integer number (14204151).

Almost surely, 2^144226566 is an apocalyptic number.

144226566 is an abundant number, since it is smaller than the sum of its proper divisors (196673058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144226566 is a wasteful number, since it uses less digits than its factorization.

144226566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728436 (or 728433 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 144226566 is about 12009.4365396550. The cubic root of 144226566 is about 524.4230287300.

The spelling of 144226566 in words is "one hundred forty-four million, two hundred twenty-six thousand, five hundred sixty-six".