445130344 has 8 divisors (see below), whose sum is σ = 834619410. Its totient is φ = 222565168.

The previous prime is 445130327. The next prime is 445130351. The reversal of 445130344 is 443031544.

It can be written as a sum of positive squares in only one way, i.e., 398481444 + 46648900 = 19962^2 + 6830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27820639 + ... + 27820654.

Almost surely, 2^445130344 is an apocalyptic number.

It is an amenable number.

445130344 is a deficient number, since it is larger than the sum of its proper divisors (389489066).

445130344 is a wasteful number, since it uses less digits than its factorization.

445130344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55641299 (or 55641295 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 445130344 is about 21098.1123326235. The cubic root of 445130344 is about 763.5352060844.

Adding to 445130344 its reverse (443031544), we get a palindrome (888161888).

The spelling of 445130344 in words is "four hundred forty-five million, one hundred thirty thousand, three hundred forty-four".