445224165 has 8 divisors (see below), whose sum is σ = 712358688. Its totient is φ = 237452880.

The previous prime is 445224161. The next prime is 445224167. The reversal of 445224165 is 561422544.

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

It is not a de Polignac number, because 445224165 - 2² = 445224161 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445224161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14840791 + ... + 14840820.

It is an arithmetic number, because the mean of its divisors is an integer number (89044836).

Almost surely, 2^445224165 is an apocalyptic number.

It is an amenable number.

445224165 is a deficient number, since it is larger than the sum of its proper divisors (267134523).

445224165 is a wasteful number, since it uses less digits than its factorization.

445224165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29681619.

The product of its digits is 38400, while the sum is 33.

The square root of 445224165 is about 21100.3356608372. The cubic root of 445224165 is about 763.5888462561.

The spelling of 445224165 in words is "four hundred forty-five million, two hundred twenty-four thousand, one hundred sixty-five".