454244421 has 4 divisors (see below), whose sum is σ = 605659232. Its totient is φ = 302829612.

The previous prime is 454244393. The next prime is 454244443. The reversal of 454244421 is 124442454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 454244421 - 2²⁵ = 420689989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454244321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75707401 + ... + 75707406.

It is an arithmetic number, because the mean of its divisors is an integer number (151414808).

Almost surely, 2^454244421 is an apocalyptic number.

It is an amenable number.

454244421 is a deficient number, since it is larger than the sum of its proper divisors (151414811).

454244421 is a wasteful number, since it uses less digits than its factorization.

454244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151414810.

The product of its digits is 20480, while the sum is 30.

The square root of 454244421 is about 21313.0106038542. The cubic root of 454244421 is about 768.7111857725.

Adding to 454244421 its reverse (124442454), we get a palindrome (578686875).

The spelling of 454244421 in words is "four hundred fifty-four million, two hundred forty-four thousand, four hundred twenty-one".