445040147 has 2 divisors, whose sum is σ = 445040148. Its totient is φ = 445040146.

The previous prime is 445040129. The next prime is 445040221. The reversal of 445040147 is 741040544.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445040147 - 2¹⁰ = 445039123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445040647) 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 as a sum of consecutive naturals, namely, 222520073 + 222520074.

It is an arithmetic number, because the mean of its divisors is an integer number (222520074).

Almost surely, 2^445040147 is an apocalyptic number.

445040147 is a deficient number, since it is larger than the sum of its proper divisors (1).

445040147 is an equidigital number, since it uses as much as digits as its factorization.

445040147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 445040147 is about 21095.9746634281. The cubic root of 445040147 is about 763.4836307514.

The spelling of 445040147 in words is "four hundred forty-five million, forty thousand, one hundred forty-seven".