144228129 has 8 divisors (see below), whose sum is σ = 192388320. Its totient is φ = 96110016.

The previous prime is 144228113. The next prime is 144228131. The reversal of 144228129 is 921822441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144228129 - 2⁴ = 144228113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144228129.

It is not an unprimeable number, because it can be changed into a prime (144228199) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1387 + ... + 17040.

It is an arithmetic number, because the mean of its divisors is an integer number (24048540).

Almost surely, 2^144228129 is an apocalyptic number.

It is an amenable number.

144228129 is a deficient number, since it is larger than the sum of its proper divisors (48160191).

144228129 is a wasteful number, since it uses less digits than its factorization.

144228129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21039.

The product of its digits is 9216, while the sum is 33.

The square root of 144228129 is about 12009.5016133060. The cubic root of 144228129 is about 524.4249231342.

The spelling of 144228129 in words is "one hundred forty-four million, two hundred twenty-eight thousand, one hundred twenty-nine".