144310312 has 8 divisors (see below), whose sum is σ = 270581850. Its totient is φ = 72155152.

The previous prime is 144310307. The next prime is 144310319. The reversal of 144310312 is 213013441.

It can be written as a sum of positive squares in only one way, i.e., 143856036 + 454276 = 11994^2 + 674^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×144310312² = 41650932299074688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144310312.

It is not an unprimeable number, because it can be changed into a prime (144310319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9019387 + ... + 9019402.

Almost surely, 2^144310312 is an apocalyptic number.

It is an amenable number.

144310312 is a deficient number, since it is larger than the sum of its proper divisors (126271538).

144310312 is a wasteful number, since it uses less digits than its factorization.

144310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18038795 (or 18038791 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 144310312 is about 12012.9227084836. The cubic root of 144310312 is about 524.5245121909.

Adding to 144310312 its reverse (213013441), we get a palindrome (357323753).

The spelling of 144310312 in words is "one hundred forty-four million, three hundred ten thousand, three hundred twelve".