144722166 has 16 divisors (see below), whose sum is σ = 289562304. Its totient is φ = 48221064.

The previous prime is 144722159. The next prime is 144722177. The reversal of 144722166 is 661227441.

144722166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 25785 + ... + 30891.

It is an arithmetic number, because the mean of its divisors is an integer number (18097644).

Almost surely, 2^144722166 is an apocalyptic number.

144722166 is an abundant number, since it is smaller than the sum of its proper divisors (144840138).

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

144722166 is a wasteful number, since it uses less digits than its factorization.

144722166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9835.

The product of its digits is 16128, while the sum is 33.

The square root of 144722166 is about 12030.0526183388. The cubic root of 144722166 is about 525.0230266544.

The spelling of 144722166 in words is "one hundred forty-four million, seven hundred twenty-two thousand, one hundred sixty-six".