4445452245 has 16 divisors (see below), whose sum is σ = 7659856512. Its totient is φ = 2188530240.

The previous prime is 4445452241. The next prime is 4445452267. The reversal of 4445452245 is 5422545444.

It is not a de Polignac number, because 4445452245 - 2² = 4445452241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445452241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11398401 + ... + 11398790.

It is an arithmetic number, because the mean of its divisors is an integer number (478741032).

Almost surely, 2^4445452245 is an apocalyptic number.

It is an amenable number.

4445452245 is a deficient number, since it is larger than the sum of its proper divisors (3214404267).

4445452245 is a wasteful number, since it uses less digits than its factorization.

4445452245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22797212.

The product of its digits is 512000, while the sum is 39.

The square root of 4445452245 is about 66674.2247423995. The cubic root of 4445452245 is about 1644.2656459900.

Adding to 4445452245 its reverse (5422545444), we get a palindrome (9867997689).

The spelling of 4445452245 in words is "four billion, four hundred forty-five million, four hundred fifty-two thousand, two hundred forty-five".