45072240609 has 16 divisors (see below), whose sum is σ = 66038166720. Its totient is φ = 27117116160.

The previous prime is 45072240571. The next prime is 45072240623. The reversal of 45072240609 is 90604227054.

It is a de Polignac number, because none of the positive numbers 2^k-45072240609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45072240209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4980244 + ... + 4989285.

It is an arithmetic number, because the mean of its divisors is an integer number (4127385420).

Almost surely, 2^45072240609 is an apocalyptic number.

It is an amenable number.

45072240609 is a deficient number, since it is larger than the sum of its proper divisors (20965926111).

45072240609 is a wasteful number, since it uses less digits than its factorization.

45072240609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9969680.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 45072240609 in words is "forty-five billion, seventy-two million, two hundred forty thousand, six hundred nine".