745455343554547 has 16 divisors (see below), whose sum is σ = 758213517312000. Its totient is φ = 732701291081760.

The previous prime is 745455343554503. The next prime is 745455343554557.

745455343554547 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 745455343554547 - 2¹⁹ = 745455343030259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745455343554557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14559933454 + ... + 14559984652.

It is an arithmetic number, because the mean of its divisors is an integer number (47388344832000).

Almost surely, 2^{745455343554547} is an apocalyptic number.

745455343554547 is a deficient number, since it is larger than the sum of its proper divisors (12758173757453).

745455343554547 is a wasteful number, since it uses less digits than its factorization.

745455343554547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86586.

The product of its digits is 7056000000, while the sum is 70.

The spelling of 745455343554547 in words is "seven hundred forty-five trillion, four hundred fifty-five billion, three hundred forty-three million, five hundred fifty-four thousand, five hundred forty-seven".