144112313 has 4 divisors (see below), whose sum is σ = 144325860. Its totient is φ = 143898768.

The previous prime is 144112303. The next prime is 144112327. The reversal of 144112313 is 313211441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126405049 + 17707264 = 11243^2 + 4208^2 .

It is a cyclic number.

It is not a de Polignac number, because 144112313 - 2¹⁸ = 143850169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144112303) 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, 105758 + ... + 107111.

It is an arithmetic number, because the mean of its divisors is an integer number (36081465).

Almost surely, 2^144112313 is an apocalyptic number.

It is an amenable number.

144112313 is a deficient number, since it is larger than the sum of its proper divisors (213547).

144112313 is an equidigital number, since it uses as much as digits as its factorization.

144112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213546.

The product of its digits is 288, while the sum is 20.

The square root of 144112313 is about 12004.6787962028. The cubic root of 144112313 is about 524.2845134885.

Adding to 144112313 its reverse (313211441), we get a palindrome (457323754).

The spelling of 144112313 in words is "one hundred forty-four million, one hundred twelve thousand, three hundred thirteen".