445244353 has 4 divisors (see below), whose sum is σ = 446333380. Its totient is φ = 444155328.

The previous prime is 445244339. The next prime is 445244363. The reversal of 445244353 is 353442544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 300571569 + 144672784 = 17337^2 + 12028^2 .

It is a cyclic number.

It is not a de Polignac number, because 445244353 - 2¹⁷ = 445113281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445244363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543900 + ... + 544717.

It is an arithmetic number, because the mean of its divisors is an integer number (111583345).

Almost surely, 2^445244353 is an apocalyptic number.

It is an amenable number.

445244353 is a deficient number, since it is larger than the sum of its proper divisors (1089027).

445244353 is a wasteful number, since it uses less digits than its factorization.

445244353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089026.

The product of its digits is 115200, while the sum is 34.

The square root of 445244353 is about 21100.8140364300. The cubic root of 445244353 is about 763.6003873327.

Adding to 445244353 its reverse (353442544), we get a palindrome (798686897).

The spelling of 445244353 in words is "four hundred forty-five million, two hundred forty-four thousand, three hundred fifty-three".