148666 has 24 divisors (see below), whose sum is σ = 272916. Its totient is φ = 60480.

The previous prime is 148663. The next prime is 148667. The reversal of 148666 is 666841.

It can be written as a sum of positive squares in 2 ways, for example, as 148225 + 441 = 385^2 + 21^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

148666 is a modest number, since divided by 666 gives 148 as remainder.

It is not an unprimeable number, because it can be changed into a prime (148663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3606 + ... + 3646.

2¹⁴⁸⁶⁶⁶ is an apocalyptic number.

148666 is a deficient number, since it is larger than the sum of its proper divisors (124250).

148666 is a wasteful number, since it uses less digits than its factorization.

148666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 87 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 148666 is about 385.5723019098. The cubic root of 148666 is about 52.9749495953.

The spelling of 148666 in words is "one hundred forty-eight thousand, six hundred sixty-six".