445345330 has 8 divisors (see below), whose sum is σ = 801621612. Its totient is φ = 178138128.

The previous prime is 445345301. The next prime is 445345331. The reversal of 445345330 is 33543544.

It can be written as a sum of positive squares in 2 ways, for example, as 430438009 + 14907321 = 20747^2 + 3861^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 445345292 and 445345301.

It is not an unprimeable number, because it can be changed into a prime (445345331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22267257 + ... + 22267276.

Almost surely, 2^445345330 is an apocalyptic number.

445345330 is a deficient number, since it is larger than the sum of its proper divisors (356276282).

445345330 is a wasteful number, since it uses less digits than its factorization.

445345330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44534540.

The product of its (nonzero) digits is 43200, while the sum is 31.

The square root of 445345330 is about 21103.2066283776. The cubic root of 445345330 is about 763.6581086323.

Adding to 445345330 its reverse (33543544), we get a palindrome (478888874).

The spelling of 445345330 in words is "four hundred forty-five million, three hundred forty-five thousand, three hundred thirty".