144434447 has 8 divisors (see below), whose sum is σ = 152296560. Its totient is φ = 136598400.

The previous prime is 144434441. The next prime is 144434473. The reversal of 144434447 is 744434441.

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

It is a cyclic number.

It is not a de Polignac number, because 144434447 - 2⁶ = 144434383 is a prime.

It is a super-2 number, since 2×144434447² = 41722618960391618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144434441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5447 + ... + 17847.

It is an arithmetic number, because the mean of its divisors is an integer number (19037070).

Almost surely, 2^144434447 is an apocalyptic number.

144434447 is a deficient number, since it is larger than the sum of its proper divisors (7862113).

144434447 is a wasteful number, since it uses less digits than its factorization.

144434447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033.

The product of its digits is 86016, while the sum is 35.

The square root of 144434447 is about 12018.0883255200. The cubic root of 144434447 is about 524.6748668646.

Adding to 144434447 its reverse (744434441), we get a palindrome (888868888).

The spelling of 144434447 in words is "one hundred forty-four million, four hundred thirty-four thousand, four hundred forty-seven".