4115445745 has 4 divisors (see below), whose sum is σ = 4938534900. Its totient is φ = 3292356592.

The previous prime is 4115445571. The next prime is 4115445769. The reversal of 4115445745 is 5475445114.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5475445114 = 2 ⋅2737722557.

It can be written as a sum of positive squares in 2 ways, for example, as 2013406641 + 2102039104 = 44871^2 + 45848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4115445745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4115445698 and 4115445707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411544570 + ... + 411544579.

It is an arithmetic number, because the mean of its divisors is an integer number (1234633725).

Almost surely, 2^4115445745 is an apocalyptic number.

It is an amenable number.

4115445745 is a deficient number, since it is larger than the sum of its proper divisors (823089155).

4115445745 is an equidigital number, since it uses as much as digits as its factorization.

4115445745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823089154.

The product of its digits is 224000, while the sum is 40.

The square root of 4115445745 is about 64151.7399997849. The cubic root of 4115445745 is about 1602.5280016979.

The spelling of 4115445745 in words is "four billion, one hundred fifteen million, four hundred forty-five thousand, seven hundred forty-five".