445207165 has 16 divisors (see below), whose sum is σ = 588728448. Its totient is φ = 321120576.

The previous prime is 445207141. The next prime is 445207181. The reversal of 445207165 is 561702544.

It is a cyclic number.

It is not a de Polignac number, because 445207165 - 2¹³ = 445198973 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 445207165.

It is a congruent number.

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, 76849 + ... + 82438.

It is an arithmetic number, because the mean of its divisors is an integer number (36795528).

Almost surely, 2^445207165 is an apocalyptic number.

It is an amenable number.

445207165 is a deficient number, since it is larger than the sum of its proper divisors (143521283).

445207165 is a wasteful number, since it uses less digits than its factorization.

445207165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159348.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 445207165 is about 21099.9328197983. The cubic root of 445207165 is about 763.5791274248.

The spelling of 445207165 in words is "four hundred forty-five million, two hundred seven thousand, one hundred sixty-five".