144566663 has 8 divisors (see below), whose sum is σ = 146525568. Its totient is φ = 142619904.

The previous prime is 144566641. The next prime is 144566683. The reversal of 144566663 is 366665441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144566663 - 2¹⁶ = 144501127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144566663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144566633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22331 + ... + 28067.

It is an arithmetic number, because the mean of its divisors is an integer number (18315696).

Almost surely, 2^144566663 is an apocalyptic number.

144566663 is a deficient number, since it is larger than the sum of its proper divisors (1958905).

144566663 is a wasteful number, since it uses less digits than its factorization.

144566663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073.

The product of its digits is 311040, while the sum is 41.

The square root of 144566663 is about 12023.5877757016. The cubic root of 144566663 is about 524.8349146857.

The spelling of 144566663 in words is "one hundred forty-four million, five hundred sixty-six thousand, six hundred sixty-three".