45209065 has 16 divisors (see below), whose sum is σ = 60445440. Its totient is φ = 32177920.

The previous prime is 45209051. The next prime is 45209077. The reversal of 45209065 is 56090254.

It is not a de Polignac number, because 45209065 - 2¹⁷ = 45077993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6160 + ... + 11329.

It is an arithmetic number, because the mean of its divisors is an integer number (3777840).

Almost surely, 2^45209065 is an apocalyptic number.

It is an amenable number.

45209065 is a deficient number, since it is larger than the sum of its proper divisors (15236375).

45209065 is a wasteful number, since it uses less digits than its factorization.

45209065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17552.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 45209065 is about 6723.7686605058. The cubic root of 45209065 is about 356.2393106467.

The spelling of 45209065 in words is "forty-five million, two hundred nine thousand, sixty-five".