148322666 has 8 divisors (see below), whose sum is σ = 227910564. Its totient is φ = 72352480.

The previous prime is 148322663. The next prime is 148322687. The reversal of 148322666 is 666223841.

It can be written as a sum of positive squares in 2 ways, for example, as 141967225 + 6355441 = 11915^2 + 2521^2 .

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

It is a super-2 number, since 2×148322666² = 43999226498695112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148322663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904325 + ... + 904488.

Almost surely, 2^148322666 is an apocalyptic number.

148322666 is a deficient number, since it is larger than the sum of its proper divisors (79587898).

148322666 is a wasteful number, since it uses less digits than its factorization.

148322666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808856.

The product of its digits is 82944, while the sum is 38.

The square root of 148322666 is about 12178.7793312795. The cubic root of 148322666 is about 529.3413748240.

The spelling of 148322666 in words is "one hundred forty-eight million, three hundred twenty-two thousand, six hundred sixty-six".