454445344147 has 4 divisors (see below), whose sum is σ = 454453815816. Its totient is φ = 454436872480.

The previous prime is 454445344127. The next prime is 454445344159. The reversal of 454445344147 is 741443544454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741443544454 = 2 ⋅370721772227.

It is a cyclic number.

It is not a de Polignac number, because 454445344147 - 2¹⁵ = 454445311379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454445344147.

It is not an unprimeable number, because it can be changed into a prime (454445344127) 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, 4154854 + ... + 4262827.

It is an arithmetic number, because the mean of its divisors is an integer number (113613453954).

Almost surely, 2^454445344147 is an apocalyptic number.

454445344147 is a deficient number, since it is larger than the sum of its proper divisors (8471669).

454445344147 is an equidigital number, since it uses as much as digits as its factorization.

454445344147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471668.

The product of its digits is 8601600, while the sum is 49.

The spelling of 454445344147 in words is "four hundred fifty-four billion, four hundred forty-five million, three hundred forty-four thousand, one hundred forty-seven".