45102017 has 2 divisors, whose sum is σ = 45102018. Its totient is φ = 45102016.

The previous prime is 45102007. The next prime is 45102023. The reversal of 45102017 is 71020154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23049601 + 22052416 = 4801^2 + 4696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45102017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45102017.

It is not a weakly prime, because it can be changed into another prime (45102007) 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, 22551008 + 22551009.

It is an arithmetic number, because the mean of its divisors is an integer number (22551009).

Almost surely, 2^45102017 is an apocalyptic number.

It is an amenable number.

45102017 is a deficient number, since it is larger than the sum of its proper divisors (1).

45102017 is an equidigital number, since it uses as much as digits as its factorization.

45102017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 45102017 is about 6715.8035260124. The cubic root of 45102017 is about 355.9579154266.

The spelling of 45102017 in words is "forty-five million, one hundred two thousand, seventeen".