454624481 has 4 divisors (see below), whose sum is σ = 455465364. Its totient is φ = 453783600.

The previous prime is 454624433. The next prime is 454624487. The reversal of 454624481 is 184426454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184426454 = 2 ⋅92213227.

It can be written as a sum of positive squares in 2 ways, for example, as 307827025 + 146797456 = 17545^2 + 12116^2 .

It is a cyclic number.

It is not a de Polignac number, because 454624481 - 2²⁶ = 387515617 is a prime.

It is a super-2 number, since 2×454624481² = 413366837449038722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454624487) 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, 419630 + ... + 420711.

It is an arithmetic number, because the mean of its divisors is an integer number (113866341).

Almost surely, 2^454624481 is an apocalyptic number.

It is an amenable number.

454624481 is a deficient number, since it is larger than the sum of its proper divisors (840883).

454624481 is an equidigital number, since it uses as much as digits as its factorization.

454624481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840882.

The product of its digits is 122880, while the sum is 38.

The square root of 454624481 is about 21321.9248896529. The cubic root of 454624481 is about 768.9255159998.

The spelling of 454624481 in words is "four hundred fifty-four million, six hundred twenty-four thousand, four hundred eighty-one".