445236009 has 8 divisors (see below), whose sum is σ = 594196512. Its totient is φ = 296549760.

The previous prime is 445235969. The next prime is 445236019. The reversal of 445236009 is 900632544.

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

It is not a de Polignac number, because 445236009 - 2²⁰ = 444187433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445236019) 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, 64744 + ... + 71289.

It is an arithmetic number, because the mean of its divisors is an integer number (74274564).

Almost surely, 2^445236009 is an apocalyptic number.

It is an amenable number.

445236009 is a deficient number, since it is larger than the sum of its proper divisors (148960503).

445236009 is a wasteful number, since it uses less digits than its factorization.

445236009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137127.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 445236009 is about 21100.6163180131. The cubic root of 445236009 is about 763.5956172768.

The spelling of 445236009 in words is "four hundred forty-five million, two hundred thirty-six thousand, nine".