454445215443 has 24 divisors (see below), whose sum is σ = 657772640928. Its totient is φ = 302340227712.

The previous prime is 454445215429. The next prime is 454445215487. The reversal of 454445215443 is 344512544454.

454445215443 is a `hidden beast` number, since 4 + 5 + 4 + 4 + 452 + 154 + 43 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-454445215443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (454445215843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8731405 + ... + 8783297.

It is an arithmetic number, because the mean of its divisors is an integer number (27407193372).

Almost surely, 2^454445215443 is an apocalyptic number.

454445215443 is a deficient number, since it is larger than the sum of its proper divisors (203327425485).

454445215443 is a wasteful number, since it uses less digits than its factorization.

454445215443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53883 (or 53880 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 45.

Adding to 454445215443 its reverse (344512544454), we get a palindrome (798957759897).

The spelling of 454445215443 in words is "four hundred fifty-four billion, four hundred forty-five million, two hundred fifteen thousand, four hundred forty-three".