144242423 has 4 divisors (see below), whose sum is σ = 155338008. Its totient is φ = 133146840.

The previous prime is 144242401. The next prime is 144242429. The reversal of 144242423 is 324242441.

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: 324242441 = 199 ⋅1629359.

It is a cyclic number.

It is not a de Polignac number, because 144242423 - 2⁶ = 144242359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144242392 and 144242401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144242429) 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, 5547773 + ... + 5547798.

It is an arithmetic number, because the mean of its divisors is an integer number (38834502).

Almost surely, 2^144242423 is an apocalyptic number.

144242423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144242423 is a deficient number, since it is larger than the sum of its proper divisors (11095585).

144242423 is a wasteful number, since it uses less digits than its factorization.

144242423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11095584.

The product of its digits is 6144, while the sum is 26.

The square root of 144242423 is about 12010.0967106847. The cubic root of 144242423 is about 524.4422472680.

Adding to 144242423 its reverse (324242441), we get a palindrome (468484864).

The spelling of 144242423 in words is "one hundred forty-four million, two hundred forty-two thousand, four hundred twenty-three".