144531866 has 8 divisors (see below), whose sum is σ = 218902944. Its totient is φ = 71564220.

The previous prime is 144531833. The next prime is 144531869. The reversal of 144531866 is 668135441.

144531866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (144531869) 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 in 3 ways as a sum of consecutive naturals, for example, 350600 + ... + 351011.

It is an arithmetic number, because the mean of its divisors is an integer number (27362868).

Almost surely, 2^144531866 is an apocalyptic number.

144531866 is a deficient number, since it is larger than the sum of its proper divisors (74371078).

144531866 is a wasteful number, since it uses less digits than its factorization.

144531866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701716.

The product of its digits is 69120, while the sum is 38.

The square root of 144531866 is about 12022.1406579694. The cubic root of 144531866 is about 524.7928022890.

The spelling of 144531866 in words is "one hundred forty-four million, five hundred thirty-one thousand, eight hundred sixty-six".