4145122115 has 8 divisors (see below), whose sum is σ = 4989839760. Its totient is φ = 3305635552.

The previous prime is 4145122109. The next prime is 4145122117. The reversal of 4145122115 is 5112215414.

It is a happy number.

4145122115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4145122115 - 2⁸ = 4145121859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4145122117) 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, 1306025 + ... + 1309194.

It is an arithmetic number, because the mean of its divisors is an integer number (623729970).

Almost surely, 2^4145122115 is an apocalyptic number.

4145122115 is a deficient number, since it is larger than the sum of its proper divisors (844717645).

4145122115 is a wasteful number, since it uses less digits than its factorization.

4145122115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615541.

The product of its digits is 1600, while the sum is 26.

The square root of 4145122115 is about 64382.6227719872. The cubic root of 4145122115 is about 1606.3707088501.

Adding to 4145122115 its reverse (5112215414), we get a palindrome (9257337529).

The spelling of 4145122115 in words is "four billion, one hundred forty-five million, one hundred twenty-two thousand, one hundred fifteen".