45105143 has 2 divisors, whose sum is σ = 45105144. Its totient is φ = 45105142.

The previous prime is 45105103. The next prime is 45105157. The reversal of 45105143 is 34150154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45105143 - 2²⁰ = 44056567 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45105103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22552571 + 22552572.

It is an arithmetic number, because the mean of its divisors is an integer number (22552572).

Almost surely, 2^45105143 is an apocalyptic number.

45105143 is a deficient number, since it is larger than the sum of its proper divisors (1).

45105143 is an equidigital number, since it uses as much as digits as its factorization.

45105143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 45105143 is about 6716.0362566026. The cubic root of 45105143 is about 355.9661389963.

Adding to 45105143 its reverse (34150154), we get a palindrome (79255297).

The spelling of 45105143 in words is "forty-five million, one hundred five thousand, one hundred forty-three".