144424233 has 24 divisors (see below), whose sum is σ = 212092608. Its totient is φ = 94688352.

The previous prime is 144424223. The next prime is 144424261. The reversal of 144424233 is 332424441.

It is a happy number.

144424233 is a `hidden beast` number, since 1 + 4 + 4 + 424 + 233 = 666.

It is not a de Polignac number, because 144424233 - 2¹⁸ = 144162089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144424197 and 144424206.

It is not an unprimeable number, because it can be changed into a prime (144424223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296316 + ... + 296802.

It is an arithmetic number, because the mean of its divisors is an integer number (8837192).

Almost surely, 2^144424233 is an apocalyptic number.

It is an amenable number.

144424233 is a deficient number, since it is larger than the sum of its proper divisors (67668375).

144424233 is a wasteful number, since it uses less digits than its factorization.

144424233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 970 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 144424233 is about 12017.6633752157. The cubic root of 144424233 is about 524.6624987268.

Adding to 144424233 its reverse (332424441), we get a palindrome (476848674).

The spelling of 144424233 in words is "one hundred forty-four million, four hundred twenty-four thousand, two hundred thirty-three".