144424799 has 4 divisors (see below), whose sum is σ = 144600264. Its totient is φ = 144249336.

The previous prime is 144424789. The next prime is 144424823. The reversal of 144424799 is 997424441.

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 144424799 - 2⁸ = 144424543 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 (144424739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86492 + ... + 88145.

It is an arithmetic number, because the mean of its divisors is an integer number (36150066).

Almost surely, 2^144424799 is an apocalyptic number.

144424799 is a deficient number, since it is larger than the sum of its proper divisors (175465).

144424799 is an equidigital number, since it uses as much as digits as its factorization.

144424799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175464.

The product of its digits is 290304, while the sum is 44.

The square root of 144424799 is about 12017.6869238635. The cubic root of 144424799 is about 524.6631841118.

The spelling of 144424799 in words is "one hundred forty-four million, four hundred twenty-four thousand, seven hundred ninety-nine".