454445111 has 2 divisors, whose sum is σ = 454445112. Its totient is φ = 454445110.

The previous prime is 454445099. The next prime is 454445129. The reversal of 454445111 is 111544454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454445111 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454445171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227222555 + 227222556.

It is an arithmetic number, because the mean of its divisors is an integer number (227222556).

Almost surely, 2^454445111 is an apocalyptic number.

454445111 is a deficient number, since it is larger than the sum of its proper divisors (1).

454445111 is an equidigital number, since it uses as much as digits as its factorization.

454445111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 29.

The square root of 454445111 is about 21317.7182409375. The cubic root of 454445111 is about 768.8243773543.

Adding to 454445111 its reverse (111544454), we get a palindrome (565989565).

The spelling of 454445111 in words is "four hundred fifty-four million, four hundred forty-five thousand, one hundred eleven".