144220103 has 4 divisors (see below), whose sum is σ = 149193240. Its totient is φ = 139246968.

The previous prime is 144220081. The next prime is 144220123. The reversal of 144220103 is 301022441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301022441 = 3581 ⋅84061.

It is a cyclic number.

It is not a de Polignac number, because 144220103 - 2⁶ = 144220039 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 (144220123) 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, 2486525 + ... + 2486582.

It is an arithmetic number, because the mean of its divisors is an integer number (37298310).

Almost surely, 2^144220103 is an apocalyptic number.

144220103 is a deficient number, since it is larger than the sum of its proper divisors (4973137).

144220103 is an equidigital number, since it uses as much as digits as its factorization.

144220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973136.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144220103 is about 12009.1674565725. The cubic root of 144220103 is about 524.4151952294.

Adding to 144220103 its reverse (301022441), we get a palindrome (445242544).

The spelling of 144220103 in words is "one hundred forty-four million, two hundred twenty thousand, one hundred three".