148663393 has 2 divisors, whose sum is σ = 148663394. Its totient is φ = 148663392.

The previous prime is 148663381. The next prime is 148663423. The reversal of 148663393 is 393366841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119858704 + 28804689 = 10948^2 + 5367^2 .

It is a cyclic number.

It is not a de Polignac number, because 148663393 - 2²¹ = 146566241 is a prime.

It is not a weakly prime, because it can be changed into another prime (148663363) 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, 74331696 + 74331697.

It is an arithmetic number, because the mean of its divisors is an integer number (74331697).

Almost surely, 2^148663393 is an apocalyptic number.

It is an amenable number.

148663393 is a deficient number, since it is larger than the sum of its proper divisors (1).

148663393 is an equidigital number, since it uses as much as digits as its factorization.

148663393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The square root of 148663393 is about 12192.7598598513. The cubic root of 148663393 is about 529.7463993808.

The spelling of 148663393 in words is "one hundred forty-eight million, six hundred sixty-three thousand, three hundred ninety-three".