148384666 has 4 divisors (see below), whose sum is σ = 222577002. Its totient is φ = 74192332.

The previous prime is 148384657. The next prime is 148384669. The reversal of 148384666 is 666483841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666483841 = 769 ⋅866689.

It can be written as a sum of positive squares in only one way, i.e., 138556441 + 9828225 = 11771^2 + 3135^2 .

It is not an unprimeable number, because it can be changed into a prime (148384669) 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, 37096165 + ... + 37096168.

Almost surely, 2^148384666 is an apocalyptic number.

148384666 is a deficient number, since it is larger than the sum of its proper divisors (74192336).

148384666 is an equidigital number, since it uses as much as digits as its factorization.

148384666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74192335.

The product of its digits is 663552, while the sum is 46.

The square root of 148384666 is about 12181.3244764270. The cubic root of 148384666 is about 529.4151207868.

The spelling of 148384666 in words is "one hundred forty-eight million, three hundred eighty-four thousand, six hundred sixty-six".