445056545 has 16 divisors (see below), whose sum is σ = 549494400. Its totient is φ = 345907584.

The previous prime is 445056539. The next prime is 445056587. The reversal of 445056545 is 545650544.

It is a cyclic number.

It is not a de Polignac number, because 445056545 - 2¹² = 445052449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445056499 and 445056508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15356 + ... + 33554.

It is an arithmetic number, because the mean of its divisors is an integer number (34343400).

Almost surely, 2^445056545 is an apocalyptic number.

It is an amenable number.

445056545 is a deficient number, since it is larger than the sum of its proper divisors (104437855).

445056545 is a wasteful number, since it uses less digits than its factorization.

445056545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18344.

The product of its (nonzero) digits is 240000, while the sum is 38.

The square root of 445056545 is about 21096.3633121920. The cubic root of 445056545 is about 763.4930077712.

The spelling of 445056545 in words is "four hundred forty-five million, fifty-six thousand, five hundred forty-five".