45343993 has 2 divisors, whose sum is σ = 45343994. Its totient is φ = 45343992.

The previous prime is 45343943. The next prime is 45344009. The reversal of 45343993 is 39934354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31002624 + 14341369 = 5568^2 + 3787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45343993 is a prime.

It is not a weakly prime, because it can be changed into another prime (45343933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22671996 + 22671997.

It is an arithmetic number, because the mean of its divisors is an integer number (22671997).

Almost surely, 2^45343993 is an apocalyptic number.

It is an amenable number.

45343993 is a deficient number, since it is larger than the sum of its proper divisors (1).

45343993 is an equidigital number, since it uses as much as digits as its factorization.

45343993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 40.

The square root of 45343993 is about 6733.7948439197. The cubic root of 45343993 is about 356.5933614547.

The spelling of 45343993 in words is "forty-five million, three hundred forty-three thousand, nine hundred ninety-three".