445538941 has 8 divisors (see below), whose sum is σ = 484497720. Its totient is φ = 407996928.

The previous prime is 445538903. The next prime is 445538959. The reversal of 445538941 is 149835544.

It can be written as a sum of positive squares in 4 ways, for example, as 111746041 + 333792900 = 10571^2 + 18270^2 .

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

It is not a de Polignac number, because 445538941 - 2¹¹ = 445536893 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 (445538981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353536 + ... + 354793.

It is an arithmetic number, because the mean of its divisors is an integer number (60562215).

Almost surely, 2^445538941 is an apocalyptic number.

It is an amenable number.

445538941 is a deficient number, since it is larger than the sum of its proper divisors (38958779).

445538941 is a wasteful number, since it uses less digits than its factorization.

445538941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708383.

The product of its digits is 345600, while the sum is 43.

The square root of 445538941 is about 21107.7933711698. The cubic root of 445538941 is about 763.7687577394.

The spelling of 445538941 in words is "four hundred forty-five million, five hundred thirty-eight thousand, nine hundred forty-one".