144810666 has 320 divisors, whose sum is σ = 468357120. Its totient is φ = 32192640.

The previous prime is 144810649. The next prime is 144810719. The reversal of 144810666 is 666018441.

It is a self number, because there is not a number n which added to its sum of digits gives 144810666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3081055 + ... + 3081101.

It is an arithmetic number, because the mean of its divisors is an integer number (1463616).

Almost surely, 2^144810666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144810666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234178560).

144810666 is an abundant number, since it is smaller than the sum of its proper divisors (323546454).

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

144810666 is a wasteful number, since it uses less digits than its factorization.

144810666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 144810666 is about 12033.7303443280. The cubic root of 144810666 is about 525.1300249374.

The spelling of 144810666 in words is "one hundred forty-four million, eight hundred ten thousand, six hundred sixty-six".