45742943 has 2 divisors, whose sum is σ = 45742944. Its totient is φ = 45742942.

The previous prime is 45742933. The next prime is 45742967. The reversal of 45742943 is 34924754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45742943 - 2⁸ = 45742687 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45742897 and 45742906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45742933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22871471 + 22871472.

It is an arithmetic number, because the mean of its divisors is an integer number (22871472).

Almost surely, 2^45742943 is an apocalyptic number.

45742943 is a deficient number, since it is larger than the sum of its proper divisors (1).

45742943 is an equidigital number, since it uses as much as digits as its factorization.

45742943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 45742943 is about 6763.3529406649. The cubic root of 45742943 is about 357.6361142411.

The spelling of 45742943 in words is "forty-five million, seven hundred forty-two thousand, nine hundred forty-three".