45013030309 has 4 divisors (see below), whose sum is σ = 48475571116. Its totient is φ = 41550489504.

The previous prime is 45013030301. The next prime is 45013030343. The reversal of 45013030309 is 90303031054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16939022500 + 28074007809 = 130150^2 + 167553^2 .

It is a cyclic number.

It is not a de Polignac number, because 45013030309 - 2³ = 45013030301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45013030301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731270384 + ... + 1731270409.

It is an arithmetic number, because the mean of its divisors is an integer number (12118892779).

Almost surely, 2^45013030309 is an apocalyptic number.

It is an amenable number.

45013030309 is a deficient number, since it is larger than the sum of its proper divisors (3462540807).

45013030309 is a wasteful number, since it uses less digits than its factorization.

45013030309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462540806.

The product of its (nonzero) digits is 4860, while the sum is 28.

The spelling of 45013030309 in words is "forty-five billion, thirteen million, thirty thousand, three hundred nine".