4145128179 has 8 divisors (see below), whose sum is σ = 5817723840. Its totient is φ = 2617975656.

The previous prime is 4145128171. The next prime is 4145128193. The reversal of 4145128179 is 9718215414.

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

It is not a de Polignac number, because 4145128179 - 2³ = 4145128171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4145128179.

It is not an unprimeable number, because it can be changed into a prime (4145128171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36360717 + ... + 36360830.

It is an arithmetic number, because the mean of its divisors is an integer number (727215480).

Almost surely, 2^4145128179 is an apocalyptic number.

4145128179 is a deficient number, since it is larger than the sum of its proper divisors (1672595661).

4145128179 is a wasteful number, since it uses less digits than its factorization.

4145128179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72721569.

The product of its digits is 80640, while the sum is 42.

The square root of 4145128179 is about 64382.6698654226. The cubic root of 4145128179 is about 1606.3714921827.

The spelling of 4145128179 in words is "four billion, one hundred forty-five million, one hundred twenty-eight thousand, one hundred seventy-nine".