4445020545 has 96 divisors (see below), whose sum is σ = 8440122240. Its totient is φ = 1991485440.

The previous prime is 4445020523. The next prime is 4445020561. The reversal of 4445020545 is 5450205444.

4445020545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4445020545 - 2⁵ = 4445020513 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9052750 + ... + 9053240.

It is an arithmetic number, because the mean of its divisors is an integer number (87917940).

Almost surely, 2^4445020545 is an apocalyptic number.

It is an amenable number.

4445020545 is a deficient number, since it is larger than the sum of its proper divisors (3995101695).

4445020545 is a wasteful number, since it uses less digits than its factorization.

4445020545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 4445020545 is about 66670.9872808255. The cubic root of 4445020545 is about 1644.2124191251.

Adding to 4445020545 its reverse (5450205444), we get a palindrome (9895225989).

The spelling of 4445020545 in words is "four billion, four hundred forty-five million, twenty thousand, five hundred forty-five".