445342329 has 12 divisors (see below), whose sum is σ = 645099156. Its totient is φ = 296051712.

The previous prime is 445342327. The next prime is 445342333. The reversal of 445342329 is 923243544.

It can be written as a sum of positive squares in 2 ways, for example, as 133749225 + 311593104 = 11565^2 + 17652^2 .

It is not a de Polignac number, because 445342329 - 2¹ = 445342327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445342293 and 445342302.

It is not an unprimeable number, because it can be changed into a prime (445342327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66912 + ... + 73265.

It is an arithmetic number, because the mean of its divisors is an integer number (53758263).

Almost surely, 2^445342329 is an apocalyptic number.

It is an amenable number.

445342329 is a deficient number, since it is larger than the sum of its proper divisors (199756827).

445342329 is a wasteful number, since it uses less digits than its factorization.

445342329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140536 (or 140533 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 445342329 is about 21103.1355253195. The cubic root of 445342329 is about 763.6563933019.

The spelling of 445342329 in words is "four hundred forty-five million, three hundred forty-two thousand, three hundred twenty-nine".