445066215 has 48 divisors (see below), whose sum is σ = 812246400. Its totient is φ = 206367040.

The previous prime is 445066183. The next prime is 445066217. The reversal of 445066215 is 512660544.

It is not a de Polignac number, because 445066215 - 2⁵ = 445066183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445066217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84736 + ... + 89834.

It is an arithmetic number, because the mean of its divisors is an integer number (16921800).

Almost surely, 2^445066215 is an apocalyptic number.

445066215 is a deficient number, since it is larger than the sum of its proper divisors (367180185).

445066215 is a wasteful number, since it uses less digits than its factorization.

445066215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164 (or 5141 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 445066215 is about 21096.5924973679. The cubic root of 445066215 is about 763.4985373487.

It can be divided in two parts, 44506 and 6215, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 445066215 in words is "four hundred forty-five million, sixty-six thousand, two hundred fifteen".