445550201 has 4 divisors (see below), whose sum is σ = 452200272. Its totient is φ = 438900132.

The previous prime is 445550191. The next prime is 445550207. The reversal of 445550201 is 102055544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445550201 - 2¹⁸ = 445288057 is a prime.

It is a super-2 number, since 2×445550201² = 397029963222280802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445550207) 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, 3324935 + ... + 3325068.

It is an arithmetic number, because the mean of its divisors is an integer number (113050068).

Almost surely, 2^445550201 is an apocalyptic number.

It is an amenable number.

445550201 is a deficient number, since it is larger than the sum of its proper divisors (6650071).

445550201 is an equidigital number, since it uses as much as digits as its factorization.

445550201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650070.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 445550201 is about 21108.0600956128. The cubic root of 445550201 is about 763.7751918674.

The spelling of 445550201 in words is "four hundred forty-five million, five hundred fifty thousand, two hundred one".