2145132193 has 2 divisors, whose sum is σ = 2145132194. Its totient is φ = 2145132192.

The previous prime is 2145132181. The next prime is 2145132263. The reversal of 2145132193 is 3912315412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1618291984 + 526840209 = 40228^2 + 22953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145132193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2145132103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072566096 + 1072566097.

It is an arithmetic number, because the mean of its divisors is an integer number (1072566097).

Almost surely, 2^2145132193 is an apocalyptic number.

It is an amenable number.

2145132193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145132193 is an equidigital number, since it uses as much as digits as its factorization.

2145132193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 2145132193 is about 46315.5718198534. The cubic root of 2145132193 is about 1289.6880829496.

The spelling of 2145132193 in words is "two billion, one hundred forty-five million, one hundred thirty-two thousand, one hundred ninety-three".