144005228 has 6 divisors (see below), whose sum is σ = 252009156. Its totient is φ = 72002612.

The previous prime is 144005207. The next prime is 144005273. The reversal of 144005228 is 822500441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144005197 and 144005206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18000650 + ... + 18000657.

It is an arithmetic number, because the mean of its divisors is an integer number (42001526).

Almost surely, 2^144005228 is an apocalyptic number.

It is an amenable number.

144005228 is a deficient number, since it is larger than the sum of its proper divisors (108003928).

144005228 is a wasteful number, since it uses less digits than its factorization.

144005228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36001311 (or 36001309 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 144005228 is about 12000.2178313562. The cubic root of 144005228 is about 524.1546219298.

Adding to 144005228 its reverse (822500441), we get a palindrome (966505669).

The spelling of 144005228 in words is "one hundred forty-four million, five thousand, two hundred twenty-eight".