745543525345547 has 8 divisors (see below), whose sum is σ = 778005751057920. Its totient is φ = 713085240452200.

The previous prime is 745543525345517. The next prime is 745543525345573.

745543525345547 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 745543525345547 - 2¹⁰ = 745543525344523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745543525345517) 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, 984818147 + ... + 985574892.

It is an arithmetic number, because the mean of its divisors is an integer number (97250718882240).

Almost surely, 2^{745543525345547} is an apocalyptic number.

745543525345547 is a deficient number, since it is larger than the sum of its proper divisors (32462225712373).

745543525345547 is a wasteful number, since it uses less digits than its factorization.

745543525345547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970409513.

The product of its digits is 3528000000, while the sum is 68.

The spelling of 745543525345547 in words is "seven hundred forty-five trillion, five hundred forty-three billion, five hundred twenty-five million, three hundred forty-five thousand, five hundred forty-seven".