4145238117 has 6 divisors (see below), whose sum is σ = 5987566182. Its totient is φ = 2763492072.

The previous prime is 4145238091. The next prime is 4145238127. The reversal of 4145238117 is 7118325414.

4145238117 is a `hidden beast` number, since 4 + 14 + 523 + 8 + 117 = 666.

4145238117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4137834276 + 7403841 = 64326^2 + 2721^2 .

It is not a de Polignac number, because 4145238117 - 2¹⁸ = 4144975973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145238127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230290998 + ... + 230291015.

It is an arithmetic number, because the mean of its divisors is an integer number (997927697).

Almost surely, 2^4145238117 is an apocalyptic number.

It is an amenable number.

4145238117 is a deficient number, since it is larger than the sum of its proper divisors (1842328065).

4145238117 is a wasteful number, since it uses less digits than its factorization.

4145238117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460582019 (or 460582016 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 4145238117 is about 64383.5236454172. The cubic root of 4145238117 is about 1606.3856935696.

The spelling of 4145238117 in words is "four billion, one hundred forty-five million, two hundred thirty-eight thousand, one hundred seventeen".