745605775345 has 8 divisors (see below), whose sum is σ = 896172373440. Its totient is φ = 595520991600.

The previous prime is 745605775339. The next prime is 745605775399. The reversal of 745605775345 is 543577506547.

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

It is not a de Polignac number, because 745605775345 - 2³³ = 737015840753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745605775345.

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 7 ways as a sum of consecutive naturals, for example, 120450181 + ... + 120456370.

It is an arithmetic number, because the mean of its divisors is an integer number (112021546680).

Almost surely, 2^745605775345 is an apocalyptic number.

It is an amenable number.

745605775345 is a deficient number, since it is larger than the sum of its proper divisors (150566598095).

745605775345 is a wasteful number, since it uses less digits than its factorization.

745605775345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240907175.

The product of its (nonzero) digits is 61740000, while the sum is 58.

The spelling of 745605775345 in words is "seven hundred forty-five billion, six hundred five million, seven hundred seventy-five thousand, three hundred forty-five".