45434309 has 2 divisors, whose sum is σ = 45434310. Its totient is φ = 45434308.

The previous prime is 45434299. The next prime is 45434321. The reversal of 45434309 is 90343454.

45434309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44930209 + 504100 = 6703^2 + 710^2 .

It is a cyclic number.

It is not a de Polignac number, because 45434309 - 2⁴ = 45434293 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45434399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22717154 + 22717155.

It is an arithmetic number, because the mean of its divisors is an integer number (22717155).

Almost surely, 2^45434309 is an apocalyptic number.

It is an amenable number.

45434309 is a deficient number, since it is larger than the sum of its proper divisors (1).

45434309 is an equidigital number, since it uses as much as digits as its factorization.

45434309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 45434309 is about 6740.4976819223. The cubic root of 45434309 is about 356.8299582259.

The spelling of 45434309 in words is "forty-five million, four hundred thirty-four thousand, three hundred nine".