4118725145 has 8 divisors (see below), whose sum is σ = 5112900360. Its totient is φ = 3181360000.

The previous prime is 4118725129. The next prime is 4118725249. The reversal of 4118725145 is 5415278114.

It can be written as a sum of positive squares in 4 ways, for example, as 1631109769 + 2487615376 = 40387^2 + 49876^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4118725145 - 2⁴ = 4118725129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4118725099 and 4118725108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14202356 + ... + 14202645.

It is an arithmetic number, because the mean of its divisors is an integer number (639112545).

Almost surely, 2^4118725145 is an apocalyptic number.

It is an amenable number.

4118725145 is a deficient number, since it is larger than the sum of its proper divisors (994175215).

4118725145 is a wasteful number, since it uses less digits than its factorization.

4118725145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28405035.

The product of its digits is 44800, while the sum is 38.

The square root of 4118725145 is about 64177.2946220079. The cubic root of 4118725145 is about 1602.9535477477.

The spelling of 4118725145 in words is "four billion, one hundred eighteen million, seven hundred twenty-five thousand, one hundred forty-five".