454646453 has 4 divisors (see below), whose sum is σ = 481390380. Its totient is φ = 427902528.

The previous prime is 454646371. The next prime is 454646503. The reversal of 454646453 is 354646454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354646454 = 2 ⋅177323227.

It can be written as a sum of positive squares in 2 ways, for example, as 356378884 + 98267569 = 18878^2 + 9913^2 .

It is a cyclic number.

It is not a de Polignac number, because 454646453 - 2⁸ = 454646197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454646453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454642453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13371938 + ... + 13371971.

It is an arithmetic number, because the mean of its divisors is an integer number (120347595).

Almost surely, 2^454646453 is an apocalyptic number.

It is an amenable number.

454646453 is a deficient number, since it is larger than the sum of its proper divisors (26743927).

454646453 is a wasteful number, since it uses less digits than its factorization.

454646453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26743926.

The product of its digits is 691200, while the sum is 41.

The square root of 454646453 is about 21322.4401277152. The cubic root of 454646453 is about 768.9379031897.

Subtracting from 454646453 its reverse (354646454), we obtain a palindrome (99999999).

It can be divided in two parts, 4 and 54646453, that multiplied together give a palindrome (218585812).

The spelling of 454646453 in words is "four hundred fifty-four million, six hundred forty-six thousand, four hundred fifty-three".