144422003 has 4 divisors (see below), whose sum is σ = 157551288. Its totient is φ = 131292720.

The previous prime is 144421969. The next prime is 144422009. The reversal of 144422003 is 300224441.

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 144422003 - 2⁶ = 144421939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144422009) 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, 6564626 + ... + 6564647.

It is an arithmetic number, because the mean of its divisors is an integer number (39387822).

Almost surely, 2^144422003 is an apocalyptic number.

144422003 is a deficient number, since it is larger than the sum of its proper divisors (13129285).

144422003 is a wasteful number, since it uses less digits than its factorization.

144422003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13129284.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 144422003 is about 12017.5705947583. The cubic root of 144422003 is about 524.6597983411.

Adding to 144422003 its reverse (300224441), we get a palindrome (444646444).

The spelling of 144422003 in words is "one hundred forty-four million, four hundred twenty-two thousand, three".