144423146005 has 4 divisors (see below), whose sum is σ = 173307775212. Its totient is φ = 115538516800.

The previous prime is 144423145963. The next prime is 144423146011. The reversal of 144423146005 is 500641324441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500641324441 = 17 ⋅29449489673.

It can be written as a sum of positive squares in 2 ways, for example, as 30292010116 + 114131135889 = 174046^2 + 337833^2 .

It is not a de Polignac number, because 144423146005 - 2²¹ = 144421048853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14442314596 + ... + 14442314605.

It is an arithmetic number, because the mean of its divisors is an integer number (43326943803).

Almost surely, 2^144423146005 is an apocalyptic number.

It is an amenable number.

144423146005 is a deficient number, since it is larger than the sum of its proper divisors (28884629207).

144423146005 is an equidigital number, since it uses as much as digits as its factorization.

144423146005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28884629206.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 144423146005 in words is "one hundred forty-four billion, four hundred twenty-three million, one hundred forty-six thousand, five".