144434 has 8 divisors (see below), whose sum is σ = 218268. Its totient is φ = 71680.

The previous prime is 144427. The next prime is 144439. The reversal of 144434 is 434441.

144434 is nontrivially palindromic in base 16.

144434 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 120409 + 24025 = 347^2 + 155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144434² = 41722360712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374 + ... + 654.

2¹⁴⁴⁴³⁴ is an apocalyptic number.

144434 is a deficient number, since it is larger than the sum of its proper divisors (73834).

144434 is a wasteful number, since it uses less digits than its factorization.

144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its digits is 768, while the sum is 20.

The square root of 144434 is about 380.0447342090. The cubic root of 144434 is about 52.4674325604.

Adding to 144434 its reverse (434441), we get a palindrome (578875).

The spelling of 144434 in words is "one hundred forty-four thousand, four hundred thirty-four".