445745642476745 has 32 divisors (see below), whose sum is σ = 577013763110400. Its totient is φ = 328610047175424.

The previous prime is 445745642476733. The next prime is 445745642476793. The reversal of 445745642476745 is 547674246547544.

It is a cyclic number.

It is not a de Polignac number, because 445745642476745 - 2²⁴ = 445745625699529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249222479 + ... + 251004651.

It is an arithmetic number, because the mean of its divisors is an integer number (18031680097200).

Almost surely, 2^{445745642476745} is an apocalyptic number.

It is an amenable number.

445745642476745 is a deficient number, since it is larger than the sum of its proper divisors (131268120633655).

445745642476745 is a wasteful number, since it uses less digits than its factorization.

445745642476745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788689.

The product of its digits is 12644352000, while the sum is 74.

The spelling of 445745642476745 in words is "four hundred forty-five trillion, seven hundred forty-five billion, six hundred forty-two million, four hundred seventy-six thousand, seven hundred forty-five".