3888172214145 has 48 divisors (see below), whose sum is σ = 6801346358352. Its totient is φ = 2054673653760.

The previous prime is 3888172214111. The next prime is 3888172214167. The reversal of 3888172214145 is 5414122718883.

3888172214145 is a `hidden beast` number, since 3 + 88 + 81 + 72 + 2 + 1 + 414 + 5 = 666.

3888172214145 is digitally balanced in base 3, 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 8 ways, for example, as 726788645361 + 3161383568784 = 852519^2 + 1778028^2 .

It is not a de Polignac number, because 3888172214145 - 2⁸ = 3888172213889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3888172214091 and 3888172214100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15747787 + ... + 15992783.

It is an arithmetic number, because the mean of its divisors is an integer number (141694715799).

Almost surely, 2^{3888172214145} is an apocalyptic number.

It is an amenable number.

3888172214145 is a deficient number, since it is larger than the sum of its proper divisors (2913174144207).

3888172214145 is a wasteful number, since it uses less digits than its factorization.

3888172214145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248242 (or 248239 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The spelling of 3888172214145 in words is "three trillion, eight hundred eighty-eight billion, one hundred seventy-two million, two hundred fourteen thousand, one hundred forty-five".