45820609 has 16 divisors (see below), whose sum is σ = 50342400. Its totient is φ = 41537664.

The previous prime is 45820597. The next prime is 45820651. The reversal of 45820609 is 90602854.

It is a happy number.

45820609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45820609 - 2¹⁷ = 45689537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45820009) 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 in 15 ways as a sum of consecutive naturals, for example, 75184 + ... + 75790.

It is an arithmetic number, because the mean of its divisors is an integer number (3146400).

Almost surely, 2^45820609 is an apocalyptic number.

It is an amenable number.

45820609 is a deficient number, since it is larger than the sum of its proper divisors (4521791).

45820609 is a wasteful number, since it uses less digits than its factorization.

45820609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 45820609 is about 6769.0921843331. The cubic root of 45820609 is about 357.8384074565.

The spelling of 45820609 in words is "forty-five million, eight hundred twenty thousand, six hundred nine".