144440042303 has 4 divisors (see below), whose sum is σ = 146474409168. Its totient is φ = 142405675440.

The previous prime is 144440042287. The next prime is 144440042339. The reversal of 144440042303 is 303240044441.

It is a happy number.

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 144440042303 - 2⁴ = 144440042287 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 (144440042363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017183326 + ... + 1017183467.

It is an arithmetic number, because the mean of its divisors is an integer number (36618602292).

Almost surely, 2^144440042303 is an apocalyptic number.

144440042303 is a deficient number, since it is larger than the sum of its proper divisors (2034366865).

144440042303 is an equidigital number, since it uses as much as digits as its factorization.

144440042303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034366864.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 144440042303 its reverse (303240044441), we get a palindrome (447680086744).

The spelling of 144440042303 in words is "one hundred forty-four billion, four hundred forty million, forty-two thousand, three hundred three".