45722750309 has 4 divisors (see below), whose sum is σ = 45744851340. Its totient is φ = 45700649280.

The previous prime is 45722750243. The next prime is 45722750347. The reversal of 45722750309 is 90305722754.

It is a happy number.

45722750309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 22672830625 + 23049919684 = 150575^2 + 151822^2 .

It is a cyclic number.

It is not a de Polignac number, because 45722750309 - 2³² = 41427783013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45722750309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45722750009) 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, 11047412 + ... + 11051549.

It is an arithmetic number, because the mean of its divisors is an integer number (11436212835).

Almost surely, 2^45722750309 is an apocalyptic number.

It is an amenable number.

45722750309 is a deficient number, since it is larger than the sum of its proper divisors (22101031).

45722750309 is a wasteful number, since it uses less digits than its factorization.

45722750309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22101030.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 45722750309 in words is "forty-five billion, seven hundred twenty-two million, seven hundred fifty thousand, three hundred nine".