445024001 has 4 divisors (see below), whose sum is σ = 449106900. Its totient is φ = 440941104.

The previous prime is 445023979. The next prime is 445024031. The reversal of 445024001 is 100420544.

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 162817600 + 282206401 = 12760^2 + 16799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445024001 is a prime.

It is a super-2 number, since 2×445024001² = 396092722932096002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445024031) 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, 2041286 + ... + 2041503.

It is an arithmetic number, because the mean of its divisors is an integer number (112276725).

Almost surely, 2^445024001 is an apocalyptic number.

It is an amenable number.

445024001 is a deficient number, since it is larger than the sum of its proper divisors (4082899).

445024001 is a wasteful number, since it uses less digits than its factorization.

445024001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082898.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 445024001 is about 21095.5919803166. The cubic root of 445024001 is about 763.4743976100.

Adding to 445024001 its reverse (100420544), we get a palindrome (545444545).

The spelling of 445024001 in words is "four hundred forty-five million, twenty-four thousand, one".