4115145 has 16 divisors (see below), whose sum is σ = 6616512. Its totient is φ = 2184000.

The previous prime is 4115141. The next prime is 4115147. The reversal of 4115145 is 5415114.

It is not a de Polignac number, because 4115145 - 2² = 4115141 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4115141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3219 + ... + 4311.

It is an arithmetic number, because the mean of its divisors is an integer number (413532).

Almost surely, 2^4115145 is an apocalyptic number.

It is an amenable number.

4115145 is a deficient number, since it is larger than the sum of its proper divisors (2501367).

4115145 is a wasteful number, since it uses less digits than its factorization.

4115145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its digits is 400, while the sum is 21.

The square root of 4115145 is about 2028.5820170750. The cubic root of 4115145 is about 160.2488964693.

The spelling of 4115145 in words is "four million, one hundred fifteen thousand, one hundred forty-five".