445130772704545 has 8 divisors (see below), whose sum is σ = 547185144983400. Its totient is φ = 347419139671680.

The previous prime is 445130772704509. The next prime is 445130772704561. The reversal of 445130772704545 is 545407277031544.

It can be written as a sum of positive squares in 4 ways, for example, as 46062988928784 + 399067783775761 = 6786972^2 + 19976681^2 .

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

It is not a de Polignac number, because 445130772704545 - 2⁷ = 445130772704417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445130772704545.

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, 1085684811270 + ... + 1085684811679.

It is an arithmetic number, because the mean of its divisors is an integer number (68398143122925).

Almost surely, 2^{445130772704545} is an apocalyptic number.

It is an amenable number.

445130772704545 is a deficient number, since it is larger than the sum of its proper divisors (102054372278855).

445130772704545 is a wasteful number, since it uses less digits than its factorization.

445130772704545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171369622995.

The product of its (nonzero) digits is 65856000, while the sum is 58.

The spelling of 445130772704545 in words is "four hundred forty-five trillion, one hundred thirty billion, seven hundred seventy-two million, seven hundred four thousand, five hundred forty-five".