144145252 has 12 divisors (see below), whose sum is σ = 253523200. Its totient is φ = 71710056.

The previous prime is 144145241. The next prime is 144145259. The reversal of 144145252 is 252541441.

It is a self number, because there is not a number n which added to its sum of digits gives 144145252.

It is not an unprimeable number, because it can be changed into a prime (144145259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89748 + ... + 91339.

Almost surely, 2^144145252 is an apocalyptic number.

It is an amenable number.

144145252 is a deficient number, since it is larger than the sum of its proper divisors (109377948).

144145252 is a wasteful number, since it uses less digits than its factorization.

144145252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181290 (or 181288 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 144145252 is about 12006.0506412392. The cubic root of 144145252 is about 524.3244547715.

Adding to 144145252 its reverse (252541441), we get a palindrome (396686693).

The spelling of 144145252 in words is "one hundred forty-four million, one hundred forty-five thousand, two hundred fifty-two".