445247093 has 4 divisors (see below), whose sum is σ = 451892640. Its totient is φ = 438601548.

The previous prime is 445247071. The next prime is 445247129. The reversal of 445247093 is 390742544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445247093 - 2¹⁰ = 445246069 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 (445247053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3322673 + ... + 3322806.

It is an arithmetic number, because the mean of its divisors is an integer number (112973160).

Almost surely, 2^445247093 is an apocalyptic number.

It is an amenable number.

445247093 is a deficient number, since it is larger than the sum of its proper divisors (6645547).

445247093 is an equidigital number, since it uses as much as digits as its factorization.

445247093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645546.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 445247093 is about 21100.8789627352. The cubic root of 445247093 is about 763.6019537091.

The spelling of 445247093 in words is "four hundred forty-five million, two hundred forty-seven thousand, ninety-three".