45240227489 has 2 divisors, whose sum is σ = 45240227490. Its totient is φ = 45240227488.

The previous prime is 45240227387. The next prime is 45240227497. The reversal of 45240227489 is 98472204254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37177624225 + 8062603264 = 192815^2 + 89792^2 .

It is a cyclic number.

It is not a de Polignac number, because 45240227489 - 2¹² = 45240223393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45240220489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22620113744 + 22620113745.

It is an arithmetic number, because the mean of its divisors is an integer number (22620113745).

Almost surely, 2^45240227489 is an apocalyptic number.

It is an amenable number.

45240227489 is a deficient number, since it is larger than the sum of its proper divisors (1).

45240227489 is an equidigital number, since it uses as much as digits as its factorization.

45240227489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 45240227489 in words is "forty-five billion, two hundred forty million, two hundred twenty-seven thousand, four hundred eighty-nine".