2146155115 has 16 divisors (see below), whose sum is σ = 2778664896. Its totient is φ = 1581897600.

The previous prime is 2146155097. The next prime is 2146155119. The reversal of 2146155115 is 5115516412.

It is not a de Polignac number, because 2146155115 - 2²⁹ = 1609284203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146155119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4650 + ... + 65680.

It is an arithmetic number, because the mean of its divisors is an integer number (173666556).

Almost surely, 2^2146155115 is an apocalyptic number.

2146155115 is a deficient number, since it is larger than the sum of its proper divisors (632509781).

2146155115 is a wasteful number, since it uses less digits than its factorization.

2146155115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61590.

The product of its digits is 6000, while the sum is 31.

The square root of 2146155115 is about 46326.6134635373. The cubic root of 2146155115 is about 1289.8930494430.

The spelling of 2146155115 in words is "two billion, one hundred forty-six million, one hundred fifty-five thousand, one hundred fifteen".