445023005 has 8 divisors (see below), whose sum is σ = 610317312. Its totient is φ = 305158608.

The previous prime is 445023001. The next prime is 445023031. The reversal of 445023005 is 500320544.

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 445023005 - 2² = 445023001 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 (445023001) 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, 6357437 + ... + 6357506.

It is an arithmetic number, because the mean of its divisors is an integer number (76289664).

Almost surely, 2^445023005 is an apocalyptic number.

It is an amenable number.

445023005 is a deficient number, since it is larger than the sum of its proper divisors (165294307).

445023005 is a wasteful number, since it uses less digits than its factorization.

445023005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12714955.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 445023005 is about 21095.5683734760. The cubic root of 445023005 is about 763.4738280370.

Adding to 445023005 its reverse (500320544), we get a palindrome (945343549).

The spelling of 445023005 in words is "four hundred forty-five million, twenty-three thousand, five".