45181187 has 2 divisors, whose sum is σ = 45181188. Its totient is φ = 45181186.

The previous prime is 45181151. The next prime is 45181207. The reversal of 45181187 is 78118154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45181187 - 2¹² = 45177091 is a prime.

It is not a weakly prime, because it can be changed into another prime (45181987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22590593 + 22590594.

It is an arithmetic number, because the mean of its divisors is an integer number (22590594).

Almost surely, 2^45181187 is an apocalyptic number.

45181187 is a deficient number, since it is larger than the sum of its proper divisors (1).

45181187 is an equidigital number, since it uses as much as digits as its factorization.

45181187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 35.

The square root of 45181187 is about 6721.6952474804. The cubic root of 45181187 is about 356.1660710464.

The spelling of 45181187 in words is "forty-five million, one hundred eighty-one thousand, one hundred eighty-seven".