45643099 has 2 divisors, whose sum is σ = 45643100. Its totient is φ = 45643098.

The previous prime is 45643043. The next prime is 45643133. The reversal of 45643099 is 99034654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45643099 - 2¹⁹ = 45118811 is a prime.

It is not a weakly prime, because it can be changed into another prime (45643019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22821549 + 22821550.

It is an arithmetic number, because the mean of its divisors is an integer number (22821550).

Almost surely, 2^45643099 is an apocalyptic number.

45643099 is a deficient number, since it is larger than the sum of its proper divisors (1).

45643099 is an equidigital number, since it uses as much as digits as its factorization.

45643099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 45643099 is about 6755.9676583003. The cubic root of 45643099 is about 357.3757182875.

The spelling of 45643099 in words is "forty-five million, six hundred forty-three thousand, ninety-nine".