45143191 has 2 divisors, whose sum is σ = 45143192. Its totient is φ = 45143190.

The previous prime is 45143167. The next prime is 45143209. The reversal of 45143191 is 19134154.

45143191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45143191 - 2¹⁷ = 45012119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45143491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22571595 + 22571596.

It is an arithmetic number, because the mean of its divisors is an integer number (22571596).

Almost surely, 2^45143191 is an apocalyptic number.

45143191 is a deficient number, since it is larger than the sum of its proper divisors (1).

45143191 is an equidigital number, since it uses as much as digits as its factorization.

45143191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 45143191 is about 6718.8682826798. The cubic root of 45143191 is about 356.0662014452.

The spelling of 45143191 in words is "forty-five million, one hundred forty-three thousand, one hundred ninety-one".