445860047 has 4 divisors (see below), whose sum is σ = 445991256. Its totient is φ = 445728840.

The previous prime is 445860029. The next prime is 445860059. The reversal of 445860047 is 740068544.

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 445860047 - 2¹⁰ = 445859023 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 (445860067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60368 + ... + 67349.

It is an arithmetic number, because the mean of its divisors is an integer number (111497814).

Almost surely, 2^445860047 is an apocalyptic number.

445860047 is a deficient number, since it is larger than the sum of its proper divisors (131209).

445860047 is a wasteful number, since it uses less digits than its factorization.

445860047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131208.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 445860047 is about 21115.3983386532. The cubic root of 445860047 is about 763.9521998684.

The spelling of 445860047 in words is "four hundred forty-five million, eight hundred sixty thousand, forty-seven".