148134817 has 2 divisors, whose sum is σ = 148134818. Its totient is φ = 148134816.

The previous prime is 148134809. The next prime is 148134823. The reversal of 148134817 is 718431841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142826401 + 5308416 = 11951^2 + 2304^2 .

It is a cyclic number.

It is not a de Polignac number, because 148134817 - 2³ = 148134809 is a prime.

It is not a weakly prime, because it can be changed into another prime (148131817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74067408 + 74067409.

It is an arithmetic number, because the mean of its divisors is an integer number (74067409).

Almost surely, 2^148134817 is an apocalyptic number.

It is an amenable number.

148134817 is a deficient number, since it is larger than the sum of its proper divisors (1).

148134817 is an equidigital number, since it uses as much as digits as its factorization.

148134817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 37.

The square root of 148134817 is about 12171.0647438916. The cubic root of 148134817 is about 529.1178121044.

The spelling of 148134817 in words is "one hundred forty-eight million, one hundred thirty-four thousand, eight hundred seventeen".