4445252333645 has 8 divisors (see below), whose sum is σ = 5334329336856. Its totient is φ = 3556184175936.

The previous prime is 4445252333617. The next prime is 4445252333653. The reversal of 4445252333645 is 5463332525444.

It can be written as a sum of positive squares in 4 ways, for example, as 223061622436 + 4222190711209 = 472294^2 + 2054797^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4445252333645 - 2¹⁶ = 4445252268109 is a prime.

It is a super-3 number, since 3×4445252333645³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4445252333593 and 4445252333602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050362 + ... + 3161291.

It is an arithmetic number, because the mean of its divisors is an integer number (666791167107).

Almost surely, 2^{4445252333645} is an apocalyptic number.

It is an amenable number.

4445252333645 is a deficient number, since it is larger than the sum of its proper divisors (889077003211).

4445252333645 is a wasteful number, since it uses less digits than its factorization.

4445252333645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422751.

The product of its digits is 20736000, while the sum is 50.

The spelling of 4445252333645 in words is "four trillion, four hundred forty-five billion, two hundred fifty-two million, three hundred thirty-three thousand, six hundred forty-five".