445438201 has 12 divisors (see below), whose sum is σ = 486783660. Its totient is φ = 407384640.

The previous prime is 445438187. The next prime is 445438207. The reversal of 445438201 is 102834544.

It can be written as a sum of positive squares in 6 ways, for example, as 11799225 + 433638976 = 3435^2 + 20824^2 .

It is not a de Polignac number, because 445438201 - 2¹³ = 445430009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445438207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6331 + ... + 30511.

It is an arithmetic number, because the mean of its divisors is an integer number (40565305).

Almost surely, 2^445438201 is an apocalyptic number.

It is an amenable number.

445438201 is a deficient number, since it is larger than the sum of its proper divisors (41345459).

445438201 is a wasteful number, since it uses less digits than its factorization.

445438201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24316 (or 24303 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 445438201 is about 21105.4069138693. The cubic root of 445438201 is about 763.7111886117.

The spelling of 445438201 in words is "four hundred forty-five million, four hundred thirty-eight thousand, two hundred one".