445942201 has 2 divisors, whose sum is σ = 445942202. Its totient is φ = 445942200.

The previous prime is 445942187. The next prime is 445942229. The reversal of 445942201 is 102249544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445167801 + 774400 = 21099^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 445942201 - 2⁷ = 445942073 is a prime.

It is not a weakly prime, because it can be changed into another prime (445942291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222971100 + 222971101.

It is an arithmetic number, because the mean of its divisors is an integer number (222971101).

Almost surely, 2^445942201 is an apocalyptic number.

It is an amenable number.

445942201 is a deficient number, since it is larger than the sum of its proper divisors (1).

445942201 is an equidigital number, since it uses as much as digits as its factorization.

445942201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 445942201 is about 21117.3436066187. The cubic root of 445942201 is about 763.9991188325. Note that the first 3 decimals are identical.

The spelling of 445942201 in words is "four hundred forty-five million, nine hundred forty-two thousand, two hundred one".