144551165 has 16 divisors (see below), whose sum is σ = 193634496. Its totient is φ = 102681600.

The previous prime is 144551161. The next prime is 144551191. The reversal of 144551165 is 561155441.

It is not a de Polignac number, because 144551165 - 2² = 144551161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144551161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28196 + ... + 32925.

It is an arithmetic number, because the mean of its divisors is an integer number (12102156).

Almost surely, 2^144551165 is an apocalyptic number.

It is an amenable number.

144551165 is a deficient number, since it is larger than the sum of its proper divisors (49083331).

144551165 is a wasteful number, since it uses less digits than its factorization.

144551165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61180.

The product of its digits is 12000, while the sum is 32.

The square root of 144551165 is about 12022.9432752550. The cubic root of 144551165 is about 524.8161593655.

The spelling of 144551165 in words is "one hundred forty-four million, five hundred fifty-one thousand, one hundred sixty-five".