144426223 has 16 divisors (see below), whose sum is σ = 154132992. Its totient is φ = 135036000.

The previous prime is 144426221. The next prime is 144426257. The reversal of 144426223 is 322624441.

It is a cyclic number.

It is not a de Polignac number, because 144426223 - 2¹ = 144426221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144426191 and 144426200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144426221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436168 + ... + 436498.

It is an arithmetic number, because the mean of its divisors is an integer number (9633312).

Almost surely, 2^144426223 is an apocalyptic number.

144426223 is a deficient number, since it is larger than the sum of its proper divisors (9706769).

144426223 is a wasteful number, since it uses less digits than its factorization.

144426223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726.

The product of its digits is 9216, while the sum is 28.

The square root of 144426223 is about 12017.7461697275. The cubic root of 144426223 is about 524.6649084646.

It can be divided in two parts, 14442622 and 3, that added together give a triangular number (14442625 = T₅₃₇₄).

The spelling of 144426223 in words is "one hundred forty-four million, four hundred twenty-six thousand, two hundred twenty-three".