144563166 has 48 divisors (see below), whose sum is σ = 342620928. Its totient is φ = 43688400.

The previous prime is 144563161. The next prime is 144563203. The reversal of 144563166 is 661365441.

It is a happy number.

144563166 is a `hidden beast` number, since 14 + 4 + 5 + 631 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 144563166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144563161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96475 + ... + 97961.

It is an arithmetic number, because the mean of its divisors is an integer number (7137936).

Almost surely, 2^144563166 is an apocalyptic number.

144563166 is an abundant number, since it is smaller than the sum of its proper divisors (198057762).

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

144563166 is a wasteful number, since it uses less digits than its factorization.

144563166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1994 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 144563166 is about 12023.4423523382. The cubic root of 144563166 is about 524.8306828145.

The spelling of 144563166 in words is "one hundred forty-four million, five hundred sixty-three thousand, one hundred sixty-six".