144204312 has 64 divisors (see below), whose sum is σ = 425318400. Its totient is φ = 39870720.

The previous prime is 144204289. The next prime is 144204317. The reversal of 144204312 is 213402441.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144204317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8637 + ... + 19052.

It is an arithmetic number, because the mean of its divisors is an integer number (6645600).

Almost surely, 2^144204312 is an apocalyptic number.

144204312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144204312 is an abundant number, since it is smaller than the sum of its proper divisors (281114088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144204312 is a wasteful number, since it uses less digits than its factorization.

144204312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27736 (or 27732 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144204312 is about 12008.5099825082. The cubic root of 144204312 is about 524.3960547110.

Adding to 144204312 its reverse (213402441), we get a palindrome (357606753).

The spelling of 144204312 in words is "one hundred forty-four million, two hundred four thousand, three hundred twelve".