45165871 has 2 divisors, whose sum is σ = 45165872. Its totient is φ = 45165870.

The previous prime is 45165773. The next prime is 45165881. The reversal of 45165871 is 17856154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45165871 - 2¹⁷ = 45034799 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45165871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45165881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22582935 + 22582936.

It is an arithmetic number, because the mean of its divisors is an integer number (22582936).

Almost surely, 2^45165871 is an apocalyptic number.

45165871 is a deficient number, since it is larger than the sum of its proper divisors (1).

45165871 is an equidigital number, since it uses as much as digits as its factorization.

45165871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 37.

The square root of 45165871 is about 6720.5558549870. Note that the first 3 decimals coincide. The cubic root of 45165871 is about 356.1258208418.

The spelling of 45165871 in words is "forty-five million, one hundred sixty-five thousand, eight hundred seventy-one".