2145032179 has 2 divisors, whose sum is σ = 2145032180. Its totient is φ = 2145032178.

The previous prime is 2145032111. The next prime is 2145032207. The reversal of 2145032179 is 9712305412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145032179 - 2⁷ = 2145032051 is a prime.

It is not a weakly prime, because it can be changed into another prime (2145032779) 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 as a sum of consecutive naturals, namely, 1072516089 + 1072516090.

It is an arithmetic number, because the mean of its divisors is an integer number (1072516090).

Almost surely, 2^2145032179 is an apocalyptic number.

2145032179 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145032179 is an equidigital number, since it uses as much as digits as its factorization.

2145032179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2145032179 is about 46314.4921056034. The cubic root of 2145032179 is about 1289.6680392946.

The spelling of 2145032179 in words is "two billion, one hundred forty-five million, thirty-two thousand, one hundred seventy-nine".