445371009 has 8 divisors (see below), whose sum is σ = 614304960. Its totient is φ = 286675536.

The previous prime is 445371007. The next prime is 445371019. The reversal of 445371009 is 900173544.

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

It is not a de Polignac number, because 445371009 - 2¹ = 445371007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445371007) 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 7 ways as a sum of consecutive naturals, for example, 2559517 + ... + 2559690.

It is an arithmetic number, because the mean of its divisors is an integer number (76788120).

Almost surely, 2^445371009 is an apocalyptic number.

It is an amenable number.

445371009 is a deficient number, since it is larger than the sum of its proper divisors (168933951).

445371009 is a wasteful number, since it uses less digits than its factorization.

445371009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119239.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 445371009 is about 21103.8150342539. The cubic root of 445371009 is about 763.6727860810.

The spelling of 445371009 in words is "four hundred forty-five million, three hundred seventy-one thousand, nine".