454344445 has 4 divisors (see below), whose sum is σ = 545213340. Its totient is φ = 363475552.

The previous prime is 454344419. The next prime is 454344469. The reversal of 454344445 is 544443454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201725209 + 252619236 = 14203^2 + 15894^2 .

It is a cyclic number.

It is not a de Polignac number, because 454344445 - 2⁹ = 454343933 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 45434440 + ... + 45434449.

It is an arithmetic number, because the mean of its divisors is an integer number (136303335).

Almost surely, 2^454344445 is an apocalyptic number.

It is an amenable number.

454344445 is a deficient number, since it is larger than the sum of its proper divisors (90868895).

454344445 is an equidigital number, since it uses as much as digits as its factorization.

454344445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90868894.

The product of its digits is 307200, while the sum is 37.

The square root of 454344445 is about 21315.3570225788. The cubic root of 454344445 is about 768.7676046820.

Adding to 454344445 its reverse (544443454), we get a palindrome (998787899).

Subtracting 454344445 from its reverse (544443454), we obtain a palindrome (90099009).

The spelling of 454344445 in words is "four hundred fifty-four million, three hundred forty-four thousand, four hundred forty-five".