2015145199 has 2 divisors, whose sum is σ = 2015145200. Its totient is φ = 2015145198.

The previous prime is 2015145191. The next prime is 2015145211. The reversal of 2015145199 is 9915415102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2015145199 - 2³ = 2015145191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015145191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007572599 + 1007572600.

It is an arithmetic number, because the mean of its divisors is an integer number (1007572600).

Almost surely, 2^2015145199 is an apocalyptic number.

2015145199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015145199 is an equidigital number, since it uses as much as digits as its factorization.

2015145199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 2015145199 is about 44890.3686663409. The cubic root of 2015145199 is about 1263.0933483082.

The spelling of 2015145199 in words is "two billion, fifteen million, one hundred forty-five thousand, one hundred ninety-nine".