454245222542454 has 128 divisors (see below), whose sum is σ = 1166061115591680. Its totient is φ = 128388038280192.

The previous prime is 454245222542413. The next prime is 454245222542479.

454245222542454 is a `hidden beast` number, since 4 + 5 + 4 + 2 + 4 + 52 + 2 + 2 + 542 + 45 + 4 = 666.

454245222542454 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 454245222542454.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 77963412 + ... + 83586984.

It is an arithmetic number, because the mean of its divisors is an integer number (9109852465560).

Almost surely, 2^{454245222542454} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454245222542454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583030557795840).

454245222542454 is an abundant number, since it is smaller than the sum of its proper divisors (711815893049226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454245222542454 is a wasteful number, since it uses less digits than its factorization.

454245222542454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625891 (or 5625885 counting only the distinct ones).

The product of its digits is 81920000, while the sum is 54.

The spelling of 454245222542454 in words is "four hundred fifty-four trillion, two hundred forty-five billion, two hundred twenty-two million, five hundred forty-two thousand, four hundred fifty-four".