45346809 has 16 divisors (see below), whose sum is σ = 61272000. Its totient is φ = 29829696.

The previous prime is 45346799. The next prime is 45346813. The reversal of 45346809 is 90864354.

It is not a de Polignac number, because 45346809 - 2⁹ = 45346297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45346859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102142 + ... + 102584.

It is an arithmetic number, because the mean of its divisors is an integer number (3829500).

Almost surely, 2^45346809 is an apocalyptic number.

It is an amenable number.

45346809 is a deficient number, since it is larger than the sum of its proper divisors (15925191).

45346809 is a wasteful number, since it uses less digits than its factorization.

45346809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 45346809 is about 6734.0039352528. The cubic root of 45346809 is about 356.6007431464.

The spelling of 45346809 in words is "forty-five million, three hundred forty-six thousand, eight hundred nine".