144223103 has 4 divisors (see below), whose sum is σ = 144337320. Its totient is φ = 144108888.

The previous prime is 144223099. The next prime is 144223127. The reversal of 144223103 is 301322441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144223103 - 2² = 144223099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144223193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55193 + ... + 57746.

It is an arithmetic number, because the mean of its divisors is an integer number (36084330).

Almost surely, 2^144223103 is an apocalyptic number.

144223103 is a deficient number, since it is larger than the sum of its proper divisors (114217).

144223103 is a wasteful number, since it uses less digits than its factorization.

144223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114216.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 144223103 is about 12009.2923605015. The cubic root of 144223103 is about 524.4188314185.

Adding to 144223103 its reverse (301322441), we get a palindrome (445545544).

The spelling of 144223103 in words is "one hundred forty-four million, two hundred twenty-three thousand, one hundred three".