455443 has 2 divisors, whose sum is σ = 455444. Its totient is φ = 455442.

The previous prime is 455437. The next prime is 455461. The reversal of 455443 is 344554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455443 - 2⁹ = 454931 is a prime.

It is not a weakly prime, because it can be changed into another prime (455473) 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 as a sum of consecutive naturals, namely, 227721 + 227722.

It is an arithmetic number, because the mean of its divisors is an integer number (227722).

2⁴⁵⁵⁴⁴³ is an apocalyptic number.

455443 is a deficient number, since it is larger than the sum of its proper divisors (1).

455443 is an equidigital number, since it uses as much as digits as its factorization.

455443 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 455443 is about 674.8651717195. The cubic root of 455443 is about 76.9386704541.

Adding to 455443 its reverse (344554), we get a palindrome (799997).

Subtracting from 455443 its reverse (344554), we obtain a square (110889 = 333²).

It can be divided in two parts, 455 and 443, that added together give a palindrome (898).

The spelling of 455443 in words is "four hundred fifty-five thousand, four hundred forty-three".