144811988 has 12 divisors (see below), whose sum is σ = 253569792. Its totient is φ = 72363480.

The previous prime is 144811957. The next prime is 144812021. The reversal of 144811988 is 889118441.

144811988 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2228 + ... + 17163.

It is an arithmetic number, because the mean of its divisors is an integer number (21130816).

Almost surely, 2^144811988 is an apocalyptic number.

It is an amenable number.

144811988 is a deficient number, since it is larger than the sum of its proper divisors (108757804).

144811988 is a wasteful number, since it uses less digits than its factorization.

144811988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21262 (or 21260 counting only the distinct ones).

The product of its digits is 73728, while the sum is 44.

The square root of 144811988 is about 12033.7852731383. The cubic root of 144811988 is about 525.1316229315.

The spelling of 144811988 in words is "one hundred forty-four million, eight hundred eleven thousand, nine hundred eighty-eight".