144684313 has 4 divisors (see below), whose sum is σ = 146515840. Its totient is φ = 142852788.

The previous prime is 144684301. The next prime is 144684359. The reversal of 144684313 is 313486441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313486441 = 7537 ⋅41593.

It is a cyclic number.

It is not a de Polignac number, because 144684313 - 2²⁵ = 111129881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144684383) 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, 915645 + ... + 915802.

It is an arithmetic number, because the mean of its divisors is an integer number (36628960).

Almost surely, 2^144684313 is an apocalyptic number.

It is an amenable number.

144684313 is a deficient number, since it is larger than the sum of its proper divisors (1831527).

144684313 is an equidigital number, since it uses as much as digits as its factorization.

144684313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831526.

The product of its digits is 27648, while the sum is 34.

The square root of 144684313 is about 12028.4792471867. The cubic root of 144684313 is about 524.9772482960.

It can be divided in two parts, 14468 and 4313, that added together give a palindrome (18781).

The spelling of 144684313 in words is "one hundred forty-four million, six hundred eighty-four thousand, three hundred thirteen".