144225023 has 4 divisors (see below), whose sum is σ = 144370680. Its totient is φ = 144079368.

The previous prime is 144225017. The next prime is 144225043. The reversal of 144225023 is 320522441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320522441 = 6037 ⋅53093.

It is a cyclic number.

It is not a de Polignac number, because 144225023 - 2¹⁸ = 143962879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144225023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144225013) 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, 71333 + ... + 73326.

It is an arithmetic number, because the mean of its divisors is an integer number (36092670).

Almost surely, 2^144225023 is an apocalyptic number.

144225023 is a deficient number, since it is larger than the sum of its proper divisors (145657).

144225023 is an equidigital number, since it uses as much as digits as its factorization.

144225023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145656.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 144225023 is about 12009.3722983343. The cubic root of 144225023 is about 524.4211585530.

Adding to 144225023 its reverse (320522441), we get a palindrome (464747464).

The spelling of 144225023 in words is "one hundred forty-four million, two hundred twenty-five thousand, twenty-three".