445304245 has 4 divisors (see below), whose sum is σ = 534365100. Its totient is φ = 356243392.

The previous prime is 445304227. The next prime is 445304257. The reversal of 445304245 is 542403544.

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 61496964 + 383807281 = 7842^2 + 19591^2 .

It is a cyclic number.

It is not a de Polignac number, because 445304245 - 2⁷ = 445304117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44530420 + ... + 44530429.

It is an arithmetic number, because the mean of its divisors is an integer number (133591275).

Almost surely, 2^445304245 is an apocalyptic number.

It is an amenable number.

445304245 is a deficient number, since it is larger than the sum of its proper divisors (89060855).

445304245 is an equidigital number, since it uses as much as digits as its factorization.

445304245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89060854.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 445304245 is about 21102.2331756618. The cubic root of 445304245 is about 763.6346243411.

Adding to 445304245 its reverse (542403544), we get a palindrome (987707789).

The spelling of 445304245 in words is "four hundred forty-five million, three hundred four thousand, two hundred forty-five".