445725305 has 16 divisors (see below), whose sum is σ = 541371600. Its totient is φ = 352273152.

The previous prime is 445725281. The next prime is 445725359. The reversal of 445725305 is 503527544.

It can be written as a sum of positive squares in 8 ways, for example, as 22024249 + 423701056 = 4693^2 + 20584^2 .

It is a cyclic number.

It is not a de Polignac number, because 445725305 - 2¹⁰ = 445724281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145247 + ... + 148283.

It is an arithmetic number, because the mean of its divisors is an integer number (33835725).

Almost surely, 2^445725305 is an apocalyptic number.

It is an amenable number.

445725305 is a deficient number, since it is larger than the sum of its proper divisors (95646295).

445725305 is a wasteful number, since it uses less digits than its factorization.

445725305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388.

The product of its (nonzero) digits is 84000, while the sum is 35.

The square root of 445725305 is about 21112.2074876125. The cubic root of 445725305 is about 763.8752348962.

The spelling of 445725305 in words is "four hundred forty-five million, seven hundred twenty-five thousand, three hundred five".