144422434 has 16 divisors (see below), whose sum is σ = 234594360. Its totient is φ = 66286080.

The previous prime is 144422431. The next prime is 144422437. The reversal of 144422434 is 434224441.

It is an interprime number because it is at equal distance from previous prime (144422431) and next prime (144422437).

It can be written as a sum of positive squares in 4 ways, for example, as 100902025 + 43520409 = 10045^2 + 6597^2 .

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 7 ways as a sum of consecutive naturals, for example, 10639 + ... + 20050.

Almost surely, 2^144422434 is an apocalyptic number.

144422434 is a deficient number, since it is larger than the sum of its proper divisors (90171926).

144422434 is a wasteful number, since it uses less digits than its factorization.

144422434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30885.

The product of its digits is 12288, while the sum is 28.

The square root of 144422434 is about 12017.5885268218. The cubic root of 144422434 is about 524.6603202564.

Adding to 144422434 its reverse (434224441), we get a palindrome (578646875).

The spelling of 144422434 in words is "one hundred forty-four million, four hundred twenty-two thousand, four hundred thirty-four".