45045241789 has 2 divisors, whose sum is σ = 45045241790. Its totient is φ = 45045241788.

The previous prime is 45045241777. The next prime is 45045241799. The reversal of 45045241789 is 98714254054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45009744025 + 35497764 = 212155^2 + 5958^2 .

It is a cyclic number.

It is not a de Polignac number, because 45045241789 - 2⁹ = 45045241277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45045241799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22522620894 + 22522620895.

It is an arithmetic number, because the mean of its divisors is an integer number (22522620895).

Almost surely, 2^45045241789 is an apocalyptic number.

It is an amenable number.

45045241789 is a deficient number, since it is larger than the sum of its proper divisors (1).

45045241789 is an equidigital number, since it uses as much as digits as its factorization.

45045241789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 45045241789 in words is "forty-five billion, forty-five million, two hundred forty-one thousand, seven hundred eighty-nine".