745448844547 has 8 divisors (see below), whose sum is σ = 856017812160. Its totient is φ = 642013358760.

The previous prime is 745448844487. The next prime is 745448844557.

745448844547 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745448844547 - 2³⁵ = 711089106179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745448844557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783370233 + ... + 1783370650.

It is an arithmetic number, because the mean of its divisors is an integer number (107002226520).

Almost surely, 2^745448844547 is an apocalyptic number.

745448844547 is a deficient number, since it is larger than the sum of its proper divisors (110568967613).

745448844547 is a wasteful number, since it uses less digits than its factorization.

745448844547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566740913.

The product of its digits is 321126400, while the sum is 64.

The spelling of 745448844547 in words is "seven hundred forty-five billion, four hundred forty-eight million, eight hundred forty-four thousand, five hundred forty-seven".