2045133187 has 2 divisors, whose sum is σ = 2045133188. Its totient is φ = 2045133186.

The previous prime is 2045133169. The next prime is 2045133221. The reversal of 2045133187 is 7813315402.

It is an a-pointer prime, because the next prime (2045133221) can be obtained adding 2045133187 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045133187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045133287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022566593 + 1022566594.

It is an arithmetic number, because the mean of its divisors is an integer number (1022566594).

Almost surely, 2^2045133187 is an apocalyptic number.

2045133187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045133187 is an equidigital number, since it uses as much as digits as its factorization.

2045133187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2045133187 is about 45223.1487957219. The cubic root of 2045133187 is about 1269.3280151375.

Adding to 2045133187 its reverse (7813315402), we get a palindrome (9858448589).

The spelling of 2045133187 in words is "two billion, forty-five million, one hundred thirty-three thousand, one hundred eighty-seven".