45103253509 has 2 divisors, whose sum is σ = 45103253510. Its totient is φ = 45103253508.

The previous prime is 45103253467. The next prime is 45103253521. The reversal of 45103253509 is 90535230154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39700562500 + 5402691009 = 199250^2 + 73503^2 .

It is a cyclic number.

It is not a de Polignac number, because 45103253509 - 2²⁷ = 44969035781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45103253579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22551626754 + 22551626755.

It is an arithmetic number, because the mean of its divisors is an integer number (22551626755).

Almost surely, 2^45103253509 is an apocalyptic number.

It is an amenable number.

45103253509 is a deficient number, since it is larger than the sum of its proper divisors (1).

45103253509 is an equidigital number, since it uses as much as digits as its factorization.

45103253509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 45103253509 in words is "forty-five billion, one hundred three million, two hundred fifty-three thousand, five hundred nine".