449143 has 8 divisors (see below), whose sum is σ = 471200. Its totient is φ = 427680.

The previous prime is 449131. The next prime is 449149. The reversal of 449143 is 341944.

It is a happy number.

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 449143 - 2⁹ = 448631 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449149) 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, 2158 + ... + 2356.

It is an arithmetic number, because the mean of its divisors is an integer number (58900).

2⁴⁴⁹¹⁴³ is an apocalyptic number.

449143 is a deficient number, since it is larger than the sum of its proper divisors (22057).

449143 is a wasteful number, since it uses less digits than its factorization.

449143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297.

The product of its digits is 1728, while the sum is 25.

The square root of 449143 is about 670.1813187489. The cubic root of 449143 is about 76.5822658671.

The spelling of 449143 in words is "four hundred forty-nine thousand, one hundred forty-three".