45243343 has 2 divisors, whose sum is σ = 45243344. Its totient is φ = 45243342.

The previous prime is 45243293. The next prime is 45243361. The reversal of 45243343 is 34334254.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45243343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45243643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22621671 + 22621672.

It is an arithmetic number, because the mean of its divisors is an integer number (22621672).

Almost surely, 2^45243343 is an apocalyptic number.

45243343 is a deficient number, since it is larger than the sum of its proper divisors (1).

45243343 is an equidigital number, since it uses as much as digits as its factorization.

45243343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 28.

The square root of 45243343 is about 6726.3171944237. The cubic root of 45243343 is about 356.3293227286.

Adding to 45243343 its reverse (34334254), we get a palindrome (79577597).

The spelling of 45243343 in words is "forty-five million, two hundred forty-three thousand, three hundred forty-three".