185945370745 has 32 divisors (see below), whose sum is σ = 244517960736. Its totient is φ = 135182745600.

The previous prime is 185945370739. The next prime is 185945370763. The reversal of 185945370745 is 547073549581.

185945370745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 29321767696 + 156623603049 = 171236^2 + 395757^2 .

It is not a de Polignac number, because 185945370745 - 2²³ = 185936982137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 185945370745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63015 + ... + 613075.

It is an arithmetic number, because the mean of its divisors is an integer number (7641186273).

Almost surely, 2^185945370745 is an apocalyptic number.

It is an amenable number.

185945370745 is a deficient number, since it is larger than the sum of its proper divisors (58572589991).

185945370745 is a wasteful number, since it uses less digits than its factorization.

185945370745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550221.

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 185945370745 in words is "one hundred eighty-five billion, nine hundred forty-five million, three hundred seventy thousand, seven hundred forty-five".