148542666 has 8 divisors (see below), whose sum is σ = 297085344. Its totient is φ = 49514220.

The previous prime is 148542649. The next prime is 148542677. The reversal of 148542666 is 666245841.

It is a sphenic number, since it is the product of 3 distinct primes.

148542666 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 12378550 + ... + 12378561.

It is an arithmetic number, because the mean of its divisors is an integer number (37135668).

Almost surely, 2^148542666 is an apocalyptic number.

148542666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148542666 is a wasteful number, since it uses less digits than its factorization.

148542666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24757116.

The product of its digits is 276480, while the sum is 42.

The square root of 148542666 is about 12187.8080884136. The cubic root of 148542666 is about 529.6029612143.

The spelling of 148542666 in words is "one hundred forty-eight million, five hundred forty-two thousand, six hundred sixty-six".