449245 has 4 divisors (see below), whose sum is σ = 539100. Its totient is φ = 359392.

The previous prime is 449243. The next prime is 449249. The reversal of 449245 is 542944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 205209 + 244036 = 453^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 449245 - 2¹ = 449243 is a prime.

It is an Ulam number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449243) 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 3 ways as a sum of consecutive naturals, for example, 44920 + ... + 44929.

It is an arithmetic number, because the mean of its divisors is an integer number (134775).

2⁴⁴⁹²⁴⁵ is an apocalyptic number.

It is an amenable number.

449245 is a deficient number, since it is larger than the sum of its proper divisors (89855).

449245 is an equidigital number, since it uses as much as digits as its factorization.

449245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89854.

The product of its digits is 5760, while the sum is 28.

The square root of 449245 is about 670.2574132376. The cubic root of 449245 is about 76.5880626845.

The spelling of 449245 in words is "four hundred forty-nine thousand, two hundred forty-five".