445453 has 2 divisors, whose sum is σ = 445454. Its totient is φ = 445452.

The previous prime is 445447. The next prime is 445463. The reversal of 445453 is 354544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426409 + 19044 = 653^2 + 138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222726 + 222727.

It is an arithmetic number, because the mean of its divisors is an integer number (222727).

2⁴⁴⁵⁴⁵³ is an apocalyptic number.

It is an amenable number.

445453 is a deficient number, since it is larger than the sum of its proper divisors (1).

445453 is an equidigital number, since it uses as much as digits as its factorization.

445453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 25.

The square root of 445453 is about 667.4226546949. The cubic root of 445453 is about 76.3719646228.

Adding to 445453 its reverse (354544), we get a palindrome (799997).

Subtracting from 445453 its reverse (354544), we obtain a palindrome (90909).

It can be divided in two parts, 445 and 453, that added together give a palindrome (898).

The spelling of 445453 in words is "four hundred forty-five thousand, four hundred fifty-three".