454686453 has 20 divisors (see below), whose sum is σ = 731472588. Its totient is φ = 279806400.

The previous prime is 454686443. The next prime is 454686457. The reversal of 454686453 is 354686454.

It can be written as a sum of positive squares in 2 ways, for example, as 213101604 + 241584849 = 14598^2 + 15543^2 .

It is not a de Polignac number, because 454686453 - 2²¹ = 452589301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454686399 and 454686408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454686457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 214848 + ... + 216953.

Almost surely, 2^454686453 is an apocalyptic number.

It is an amenable number.

454686453 is a deficient number, since it is larger than the sum of its proper divisors (276786135).

454686453 is a wasteful number, since it uses less digits than its factorization.

454686453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431826 (or 431817 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The square root of 454686453 is about 21323.3780860351. The cubic root of 454686453 is about 768.9604530295.

Subtracting from 454686453 its reverse (354686454), we obtain a palindrome (99999999).

The spelling of 454686453 in words is "four hundred fifty-four million, six hundred eighty-six thousand, four hundred fifty-three".