945165791 has 2 divisors, whose sum is σ = 945165792. Its totient is φ = 945165790.

The previous prime is 945165763. The next prime is 945165829. The reversal of 945165791 is 197561549.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 945165791 - 2¹⁴ = 945149407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945165721) 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, 472582895 + 472582896.

It is an arithmetic number, because the mean of its divisors is an integer number (472582896).

Almost surely, 2^945165791 is an apocalyptic number.

945165791 is a deficient number, since it is larger than the sum of its proper divisors (1).

945165791 is an equidigital number, since it uses as much as digits as its factorization.

945165791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 47.

The square root of 945165791 is about 30743.5487704331. The cubic root of 945165791 is about 981.3772773574.

The spelling of 945165791 in words is "nine hundred forty-five million, one hundred sixty-five thousand, seven hundred ninety-one".