330045505 has 4 divisors (see below), whose sum is σ = 396054612. Its totient is φ = 264036400.

The previous prime is 330045503. The next prime is 330045533. The reversal of 330045505 is 505540033.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238115761 + 91929744 = 15431^2 + 9588^2 .

It is not a de Polignac number, because 330045505 - 2¹ = 330045503 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 330045505.

It is not an unprimeable number, because it can be changed into a prime (330045503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33004546 + ... + 33004555.

It is an arithmetic number, because the mean of its divisors is an integer number (99013653).

Almost surely, 2^330045505 is an apocalyptic number.

It is an amenable number.

330045505 is a deficient number, since it is larger than the sum of its proper divisors (66009107).

330045505 is an equidigital number, since it uses as much as digits as its factorization.

330045505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66009106.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 330045505 is about 18167.1545653137. The cubic root of 330045505 is about 691.0740850573.

Adding to 330045505 its reverse (505540033), we get a palindrome (835585538).

The spelling of 330045505 in words is "three hundred thirty million, forty-five thousand, five hundred five".