144205112 has 8 divisors (see below), whose sum is σ = 270384600. Its totient is φ = 72102552.

The previous prime is 144205111. The next prime is 144205121. The reversal of 144205112 is 211502441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×144205112² = 41590228653865088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144205111) 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 as a sum of consecutive naturals, namely, 9012812 + ... + 9012827.

It is an arithmetic number, because the mean of its divisors is an integer number (33798075).

Almost surely, 2^144205112 is an apocalyptic number.

It is an amenable number.

144205112 is a deficient number, since it is larger than the sum of its proper divisors (126179488).

144205112 is a wasteful number, since it uses less digits than its factorization.

144205112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025645 (or 18025641 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 144205112 is about 12008.5432921733. The cubic root of 144205112 is about 524.3970244372.

Adding to 144205112 its reverse (211502441), we get a palindrome (355707553).

The spelling of 144205112 in words is "one hundred forty-four million, two hundred five thousand, one hundred twelve".