144218165 has 32 divisors (see below), whose sum is σ = 222276096. Its totient is φ = 87310080.

The previous prime is 144218153. The next prime is 144218167. The reversal of 144218165 is 561812441.

It is not a de Polignac number, because 144218165 - 2²⁶ = 77109301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144218167) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3575 + ... + 17355.

It is an arithmetic number, because the mean of its divisors is an integer number (6946128).

Almost surely, 2^144218165 is an apocalyptic number.

It is an amenable number.

144218165 is a deficient number, since it is larger than the sum of its proper divisors (78057931).

144218165 is a wasteful number, since it uses less digits than its factorization.

144218165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13829.

The product of its digits is 7680, while the sum is 32.

The square root of 144218165 is about 12009.0867679437. The cubic root of 144218165 is about 524.4128462245.

The spelling of 144218165 in words is "one hundred forty-four million, two hundred eighteen thousand, one hundred sixty-five".