144012311 has 4 divisors (see below), whose sum is σ = 145497072. Its totient is φ = 142527552.

The previous prime is 144012301. The next prime is 144012331. The reversal of 144012311 is 113210441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113210441 = 2213 ⋅51157.

It is a cyclic number.

It is not a de Polignac number, because 144012311 - 2⁶ = 144012247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144012311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144012301) by changing a digit.

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, 742235 + ... + 742428.

It is an arithmetic number, because the mean of its divisors is an integer number (36374268).

Almost surely, 2^144012311 is an apocalyptic number.

144012311 is a deficient number, since it is larger than the sum of its proper divisors (1484761).

144012311 is an equidigital number, since it uses as much as digits as its factorization.

144012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484760.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 144012311 is about 12000.5129473702. The cubic root of 144012311 is about 524.1632154288.

Adding to 144012311 its reverse (113210441), we get a palindrome (257222752).

The spelling of 144012311 in words is "one hundred forty-four million, twelve thousand, three hundred eleven".