45196409 has 2 divisors, whose sum is σ = 45196410. Its totient is φ = 45196408.

The previous prime is 45196343. The next prime is 45196429. The reversal of 45196409 is 90469154.

45196409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24720784 + 20475625 = 4972^2 + 4525^2 .

It is a cyclic number.

It is not a de Polignac number, because 45196409 - 2¹² = 45192313 is a prime.

It is not a weakly prime, because it can be changed into another prime (45196429) 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, 22598204 + 22598205.

It is an arithmetic number, because the mean of its divisors is an integer number (22598205).

Almost surely, 2^45196409 is an apocalyptic number.

It is an amenable number.

45196409 is a deficient number, since it is larger than the sum of its proper divisors (1).

45196409 is an equidigital number, since it uses as much as digits as its factorization.

45196409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 45196409 is about 6722.8274557659. The cubic root of 45196409 is about 356.2060652088.

The spelling of 45196409 in words is "forty-five million, one hundred ninety-six thousand, four hundred nine".