144861566 has 8 divisors (see below), whose sum is σ = 217413984. Its totient is φ = 72390240.

The previous prime is 144861557. The next prime is 144861581. The reversal of 144861566 is 665168441.

144861566 is digitally balanced in base 2, 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15590 + ... + 23081.

It is an arithmetic number, because the mean of its divisors is an integer number (27176748).

Almost surely, 2^144861566 is an apocalyptic number.

144861566 is a deficient number, since it is larger than the sum of its proper divisors (72552418).

144861566 is a wasteful number, since it uses less digits than its factorization.

144861566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40546.

The product of its digits is 138240, while the sum is 41.

The square root of 144861566 is about 12035.8450471913. The cubic root of 144861566 is about 525.1915443174.

The spelling of 144861566 in words is "one hundred forty-four million, eight hundred sixty-one thousand, five hundred sixty-six".