144223563 has 32 divisors (see below), whose sum is σ = 229312512. Its totient is φ = 79603200.

The previous prime is 144223559. The next prime is 144223619. The reversal of 144223563 is 365322441.

It is not a de Polignac number, because 144223563 - 2² = 144223559 is a prime.

It is a super-2 number, since 2×144223563² = 41600872248829938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144223563.

It is not an unprimeable number, because it can be changed into a prime (144223663) 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 31 ways as a sum of consecutive naturals, for example, 13245 + ... + 21537.

It is an arithmetic number, because the mean of its divisors is an integer number (7166016).

Almost surely, 2^144223563 is an apocalyptic number.

144223563 is a deficient number, since it is larger than the sum of its proper divisors (85088949).

144223563 is a wasteful number, since it uses less digits than its factorization.

144223563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355.

The product of its digits is 17280, while the sum is 30.

The square root of 144223563 is about 12009.3115123224. The cubic root of 144223563 is about 524.4193889630.

The spelling of 144223563 in words is "one hundred forty-four million, two hundred twenty-three thousand, five hundred sixty-three".