445860005 has 8 divisors (see below), whose sum is σ = 535210872. Its totient is φ = 356568768.

The previous prime is 445859989. The next prime is 445860029. The reversal of 445860005 is 500068544.

It can be written as a sum of positive squares in 4 ways, for example, as 249355681 + 196504324 = 15791^2 + 14018^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445860005 - 2⁴ = 445859989 is a prime.

It is a super-2 number, since 2×445860005² = 397582288117200050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3647 + ... + 30083.

It is an arithmetic number, because the mean of its divisors is an integer number (66901359).

Almost surely, 2^445860005 is an apocalyptic number.

It is an amenable number.

445860005 is a deficient number, since it is larger than the sum of its proper divisors (89350867).

445860005 is a wasteful number, since it uses less digits than its factorization.

445860005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29815.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 445860005 is about 21115.3973441183. The cubic root of 445860005 is about 763.9521758803.

The spelling of 445860005 in words is "four hundred forty-five million, eight hundred sixty thousand, five".