144001003 has 12 divisors (see below), whose sum is σ = 148916880. Its totient is φ = 139241952.

The previous prime is 144001001. The next prime is 144001009. The reversal of 144001003 is 300100441.

It is not a de Polignac number, because 144001003 - 2¹ = 144001001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144001001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400938 + ... + 401296.

It is an arithmetic number, because the mean of its divisors is an integer number (12409740).

Almost surely, 2^144001003 is an apocalyptic number.

144001003 is a deficient number, since it is larger than the sum of its proper divisors (4915877).

144001003 is an equidigital number, since it uses as much as digits as its factorization.

144001003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 144001003 is about 12000.0417915939. The cubic root of 144001003 is about 524.1494957851.

Adding to 144001003 its reverse (300100441), we get a palindrome (444101444).

The spelling of 144001003 in words is "one hundred forty-four million, one thousand, three".