4550239445 has 18 divisors (see below), whose sum is σ = 5534956386. Its totient is φ = 3591079680.

The previous prime is 4550239433. The next prime is 4550239451. The reversal of 4550239445 is 5449320554.

It can be written as a sum of positive squares in 3 ways, for example, as 325369444 + 4224870001 = 18038^2 + 64999^2 .

It is not a de Polignac number, because 4550239445 - 2¹⁶ = 4550173909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 14630840 + ... + 14631150.

It is an arithmetic number, because the mean of its divisors is an integer number (307497577).

Almost surely, 2^4550239445 is an apocalyptic number.

It is an amenable number.

4550239445 is a deficient number, since it is larger than the sum of its proper divisors (984716941).

4550239445 is an frugal number, since it uses more digits than its factorization.

4550239445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 4550239445 is about 67455.4626772362. The cubic root of 4550239445 is about 1657.0848635058.

Adding to 4550239445 its reverse (5449320554), we get a palindrome (9999559999).

The spelling of 4550239445 in words is "four billion, five hundred fifty million, two hundred thirty-nine thousand, four hundred forty-five".