449745 has 8 divisors (see below), whose sum is σ = 719616. Its totient is φ = 239856.

The previous prime is 449741. The next prime is 449759. The reversal of 449745 is 547944.

It is a happy number.

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

It is not a de Polignac number, because 449745 - 2² = 449741 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449745.

It is not an unprimeable number, because it can be changed into a prime (449741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14977 + ... + 15006.

It is an arithmetic number, because the mean of its divisors is an integer number (89952).

2⁴⁴⁹⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

449745 is a deficient number, since it is larger than the sum of its proper divisors (269871).

449745 is a wasteful number, since it uses less digits than its factorization.

449745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29991.

The product of its digits is 20160, while the sum is 33.

The square root of 449745 is about 670.6303005382. The cubic root of 449745 is about 76.6164657707.

The spelling of 449745 in words is "four hundred forty-nine thousand, seven hundred forty-five".