445315201 has 4 divisors (see below), whose sum is σ = 445396804. Its totient is φ = 445233600.

The previous prime is 445315183. The next prime is 445315229. The reversal of 445315201 is 102513544.

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 143424576 + 301890625 = 11976^2 + 17375^2 .

It is a cyclic number.

It is not a de Polignac number, because 445315201 - 2¹¹ = 445313153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445315261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31980 + ... + 43741.

It is an arithmetic number, because the mean of its divisors is an integer number (111349201).

Almost surely, 2^445315201 is an apocalyptic number.

It is an amenable number.

445315201 is a deficient number, since it is larger than the sum of its proper divisors (81603).

445315201 is an equidigital number, since it uses as much as digits as its factorization.

445315201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81602.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 445315201 is about 21102.4927674434. The cubic root of 445315201 is about 763.6408869600.

Adding to 445315201 its reverse (102513544), we get a palindrome (547828745).

The spelling of 445315201 in words is "four hundred forty-five million, three hundred fifteen thousand, two hundred one".