450445 has 4 divisors (see below), whose sum is σ = 540540. Its totient is φ = 360352.

The previous prime is 450431. The next prime is 450451. The reversal of 450445 is 544054.

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 217156 + 233289 = 466^2 + 483^2 .

It is a cyclic number.

It is not a de Polignac number, because 450445 - 2⁵ = 450413 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 45040 + ... + 45049.

It is an arithmetic number, because the mean of its divisors is an integer number (135135).

2⁴⁵⁰⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

450445 is a deficient number, since it is larger than the sum of its proper divisors (90095).

450445 is an equidigital number, since it uses as much as digits as its factorization.

450445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90094.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 450445 is about 671.1519947076. The cubic root of 450445 is about 76.6561947470.

Adding to 450445 its reverse (544054), we get a palindrome (994499).

The spelling of 450445 in words is "four hundred fifty thousand, four hundred forty-five".