4450540545 has 80 divisors (see below), whose sum is σ = 8753469120. Its totient is φ = 2145398400.

The previous prime is 4450540537. The next prime is 4450540547. The reversal of 4450540545 is 5450450544.

It is not a de Polignac number, because 4450540545 - 2³ = 4450540537 is a prime.

It is a super-2 number, since 2×4450540545² = 39614622285377794050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4450540547) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 794655 + ... + 800235.

It is an arithmetic number, because the mean of its divisors is an integer number (109418364).

Almost surely, 2^4450540545 is an apocalyptic number.

4450540545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4450540545 is a deficient number, since it is larger than the sum of its proper divisors (4302928575).

4450540545 is a wasteful number, since it uses less digits than its factorization.

4450540545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788 (or 5779 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 4450540545 is about 66712.3717536710. The cubic root of 4450540545 is about 1644.8927532992.

Subtracting 4450540545 from its reverse (5450450544), we obtain a palindrome (999909999).

The spelling of 4450540545 in words is "four billion, four hundred fifty million, five hundred forty thousand, five hundred forty-five".