445087 has 2 divisors, whose sum is σ = 445088. Its totient is φ = 445086.

The previous prime is 445069. The next prime is 445091. The reversal of 445087 is 780544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445087 - 2¹¹ = 443039 is a prime.

445087 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222543 + 222544.

It is an arithmetic number, because the mean of its divisors is an integer number (222544).

2⁴⁴⁵⁰⁸⁷ is an apocalyptic number.

445087 is a deficient number, since it is larger than the sum of its proper divisors (1).

445087 is an equidigital number, since it uses as much as digits as its factorization.

445087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 445087 is about 667.1484092764. The cubic root of 445087 is about 76.3510422524.

The spelling of 445087 in words is "four hundred forty-five thousand, eighty-seven".