144121312 has 24 divisors (see below), whose sum is σ = 296076816. Its totient is φ = 68927232.

The previous prime is 144121309. The next prime is 144121321. The reversal of 144121312 is 213121441.

It is a self number, because there is not a number n which added to its sum of digits gives 144121312.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 97173 + ... + 98644.

It is an arithmetic number, because the mean of its divisors is an integer number (12336534).

Almost surely, 2^144121312 is an apocalyptic number.

It is an amenable number.

144121312 is an abundant number, since it is smaller than the sum of its proper divisors (151955504).

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

144121312 is a wasteful number, since it uses less digits than its factorization.

144121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195850 (or 195842 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 144121312 is about 12005.0536025459. The cubic root of 144121312 is about 524.2954261302.

Adding to 144121312 its reverse (213121441), we get a palindrome (357242753).

The spelling of 144121312 in words is "one hundred forty-four million, one hundred twenty-one thousand, three hundred twelve".