445388341 has 4 divisors (see below), whose sum is σ = 448788384. Its totient is φ = 441988300.

The previous prime is 445388323. The next prime is 445388357. The reversal of 445388341 is 143883544.

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 445388341 - 2²⁵ = 411833909 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445388294 and 445388303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445388381) 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 3 ways as a sum of consecutive naturals, for example, 1699825 + ... + 1700086.

It is an arithmetic number, because the mean of its divisors is an integer number (112197096).

Almost surely, 2^445388341 is an apocalyptic number.

It is an amenable number.

445388341 is a deficient number, since it is larger than the sum of its proper divisors (3400043).

445388341 is a wasteful number, since it uses less digits than its factorization.

445388341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400042.

The product of its digits is 184320, while the sum is 40.

The square root of 445388341 is about 21104.2256669132. The cubic root of 445388341 is about 763.6826922826.

The spelling of 445388341 in words is "four hundred forty-five million, three hundred eighty-eight thousand, three hundred forty-one".