144027028 has 6 divisors (see below), whose sum is σ = 252047306. Its totient is φ = 72013512.

The previous prime is 144027007. The next prime is 144027061. The reversal of 144027028 is 820720441.

It can be written as a sum of positive squares in only one way, i.e., 140138244 + 3888784 = 11838^2 + 1972^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144026987 and 144027005.

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 as a sum of consecutive naturals, namely, 18003375 + ... + 18003382.

Almost surely, 2^144027028 is an apocalyptic number.

It is an amenable number.

144027028 is a deficient number, since it is larger than the sum of its proper divisors (108020278).

144027028 is a wasteful number, since it uses less digits than its factorization.

144027028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36006761 (or 36006759 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 144027028 is about 12001.1261138278. The cubic root of 144027028 is about 524.1810700303.

Adding to 144027028 its reverse (820720441), we get a palindrome (964747469).

The spelling of 144027028 in words is "one hundred forty-four million, twenty-seven thousand, twenty-eight".