2145252299 has 2 divisors, whose sum is σ = 2145252300. Its totient is φ = 2145252298.

The previous prime is 2145252283. The next prime is 2145252311. The reversal of 2145252299 is 9922525412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145252299 - 2⁴ = 2145252283 is a prime.

It is not a weakly prime, because it can be changed into another prime (2145258299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072626149 + 1072626150.

It is an arithmetic number, because the mean of its divisors is an integer number (1072626150).

Almost surely, 2^2145252299 is an apocalyptic number.

2145252299 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145252299 is an equidigital number, since it uses as much as digits as its factorization.

2145252299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The square root of 2145252299 is about 46316.8684066615. The cubic root of 2145252299 is about 1289.7121523887.

The spelling of 2145252299 in words is "two billion, one hundred forty-five million, two hundred fifty-two thousand, two hundred ninety-nine".