45681343 has 2 divisors, whose sum is σ = 45681344. Its totient is φ = 45681342.

The previous prime is 45681341. The next prime is 45681353. The reversal of 45681343 is 34318654.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45681343 - 2¹ = 45681341 is a prime.

Together with 45681341, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 45681299 and 45681308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45681341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22840671 + 22840672.

It is an arithmetic number, because the mean of its divisors is an integer number (22840672).

Almost surely, 2^45681343 is an apocalyptic number.

45681343 is a deficient number, since it is larger than the sum of its proper divisors (1).

45681343 is an equidigital number, since it uses as much as digits as its factorization.

45681343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 45681343 is about 6758.7974522100. The cubic root of 45681343 is about 357.4755045404.

Adding to 45681343 its reverse (34318654), we get a palindrome (79999997).

The spelling of 45681343 in words is "forty-five million, six hundred eighty-one thousand, three hundred forty-three".