445071463 has 4 divisors (see below), whose sum is σ = 445492008. Its totient is φ = 444650920.

The previous prime is 445071427. The next prime is 445071469. The reversal of 445071463 is 364170544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445071463 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 (445071469) 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 in 3 ways as a sum of consecutive naturals, for example, 208681 + ... + 210802.

It is an arithmetic number, because the mean of its divisors is an integer number (111373002).

Almost surely, 2^445071463 is an apocalyptic number.

445071463 is a deficient number, since it is larger than the sum of its proper divisors (420545).

445071463 is a wasteful number, since it uses less digits than its factorization.

445071463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420544.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 445071463 is about 21096.7168772774. The cubic root of 445071463 is about 763.5015382689.

The spelling of 445071463 in words is "four hundred forty-five million, seventy-one thousand, four hundred sixty-three".