144422433 has 24 divisors (see below), whose sum is σ = 222197248. Its totient is φ = 93673584.

The previous prime is 144422431. The next prime is 144422437. The reversal of 144422433 is 334224441.

It is a happy number.

It is not a de Polignac number, because 144422433 - 2¹ = 144422431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144422397 and 144422406.

It is not an unprimeable number, because it can be changed into a prime (144422431) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 960 + ... + 17022.

Almost surely, 2^144422433 is an apocalyptic number.

It is an amenable number.

144422433 is a deficient number, since it is larger than the sum of its proper divisors (77774815).

144422433 is an equidigital number, since it uses as much as digits as its factorization.

144422433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115 (or 16103 counting only the distinct ones).

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

The square root of 144422433 is about 12017.5884852162. The cubic root of 144422433 is about 524.6603190455.

Adding to 144422433 its reverse (334224441), we get a palindrome (478646874).

The spelling of 144422433 in words is "one hundred forty-four million, four hundred twenty-two thousand, four hundred thirty-three".