144812479 has 4 divisors (see below), whose sum is σ = 165499984. Its totient is φ = 124124976.

The previous prime is 144812453. The next prime is 144812537. The reversal of 144812479 is 974218441.

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

It is a cyclic number.

It is not a de Polignac number, because 144812479 - 2⁷ = 144812351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144812419) 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, 10343742 + ... + 10343755.

It is an arithmetic number, because the mean of its divisors is an integer number (41374996).

Almost surely, 2^144812479 is an apocalyptic number.

144812479 is a deficient number, since it is larger than the sum of its proper divisors (20687505).

144812479 is an equidigital number, since it uses as much as digits as its factorization.

144812479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20687504.

The product of its digits is 64512, while the sum is 40.

The square root of 144812479 is about 12033.8056740168. The cubic root of 144812479 is about 525.1322164352.

The spelling of 144812479 in words is "one hundred forty-four million, eight hundred twelve thousand, four hundred seventy-nine".