148193317 has 2 divisors, whose sum is σ = 148193318. Its totient is φ = 148193316.

The previous prime is 148193257. The next prime is 148193333. The reversal of 148193317 is 713391841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129754881 + 18438436 = 11391^2 + 4294^2 .

It is a cyclic number.

It is not a de Polignac number, because 148193317 - 2¹¹ = 148191269 is a prime.

It is a super-2 number, since 2×148193317² = 43922518406924978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148193377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74096658 + 74096659.

It is an arithmetic number, because the mean of its divisors is an integer number (74096659).

Almost surely, 2^148193317 is an apocalyptic number.

It is an amenable number.

148193317 is a deficient number, since it is larger than the sum of its proper divisors (1).

148193317 is an equidigital number, since it uses as much as digits as its factorization.

148193317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 148193317 is about 12173.4677475237. The cubic root of 148193317 is about 529.1874543373.

The spelling of 148193317 in words is "one hundred forty-eight million, one hundred ninety-three thousand, three hundred seventeen".