148548574217 has 2 divisors, whose sum is σ = 148548574218. Its totient is φ = 148548574216.

The previous prime is 148548574199. The next prime is 148548574271. The reversal of 148548574217 is 712475845841.

Together with next prime (148548574271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121491285136 + 27057289081 = 348556^2 + 164491^2 .

It is a cyclic number.

It is not a de Polignac number, because 148548574217 - 2¹⁶ = 148548508681 is a prime.

It is not a weakly prime, because it can be changed into another prime (148548574277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74274287108 + 74274287109.

It is an arithmetic number, because the mean of its divisors is an integer number (74274287109).

Almost surely, 2^148548574217 is an apocalyptic number.

It is an amenable number.

148548574217 is a deficient number, since it is larger than the sum of its proper divisors (1).

148548574217 is an equidigital number, since it uses as much as digits as its factorization.

148548574217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10035200, while the sum is 56.

The spelling of 148548574217 in words is "one hundred forty-eight billion, five hundred forty-eight million, five hundred seventy-four thousand, two hundred seventeen".