4406144545 has 16 divisors (see below), whose sum is σ = 5954112000. Its totient is φ = 3101097600.

The previous prime is 4406144537. The next prime is 4406144549. The reversal of 4406144545 is 5454416044.

It is a happy number.

It is not a de Polignac number, because 4406144545 - 2³ = 4406144537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4406144549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290420 + ... + 1293829.

It is an arithmetic number, because the mean of its divisors is an integer number (372132000).

Almost surely, 2^4406144545 is an apocalyptic number.

It is an amenable number.

4406144545 is a deficient number, since it is larger than the sum of its proper divisors (1547967455).

4406144545 is a wasteful number, since it uses less digits than its factorization.

4406144545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584296.

The product of its (nonzero) digits is 153600, while the sum is 37.

The square root of 4406144545 is about 66378.7958989917. The cubic root of 4406144545 is about 1639.4049676803.

The spelling of 4406144545 in words is "four billion, four hundred six million, one hundred forty-four thousand, five hundred forty-five".