445482487 has 4 divisors (see below), whose sum is σ = 445622440. Its totient is φ = 445342536.

The previous prime is 445482463. The next prime is 445482503. The reversal of 445482487 is 784284544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445482487 - 2¹¹ = 445480439 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 (445482787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65088 + ... + 71605.

It is an arithmetic number, because the mean of its divisors is an integer number (111405610).

Almost surely, 2^445482487 is an apocalyptic number.

445482487 is a deficient number, since it is larger than the sum of its proper divisors (139953).

445482487 is a wasteful number, since it uses less digits than its factorization.

445482487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139952.

The product of its digits is 1146880, while the sum is 46.

The square root of 445482487 is about 21106.4560502231. The cubic root of 445482487 is about 763.7364974670.

The spelling of 445482487 in words is "four hundred forty-five million, four hundred eighty-two thousand, four hundred eighty-seven".