144430164 has 36 divisors (see below), whose sum is σ = 386564724. Its totient is φ = 45311232.

The previous prime is 144430157. The next prime is 144430177. The reversal of 144430164 is 461034441.

It can be written as a sum of positive squares in 2 ways, for example, as 39162564 + 105267600 = 6258^2 + 10260^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 117387 + ... + 118610.

It is an arithmetic number, because the mean of its divisors is an integer number (10737909).

Almost surely, 2^144430164 is an apocalyptic number.

It is an amenable number.

144430164 is an abundant number, since it is smaller than the sum of its proper divisors (242134560).

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

144430164 is a wasteful number, since it uses less digits than its factorization.

144430164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236024 (or 236019 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 144430164 is about 12017.9101344618. The cubic root of 144430164 is about 524.6696806487.

The spelling of 144430164 in words is "one hundred forty-four million, four hundred thirty thousand, one hundred sixty-four".