144297479 has 4 divisors (see below), whose sum is σ = 152785584. Its totient is φ = 135809376.

The previous prime is 144297443. The next prime is 144297481. The reversal of 144297479 is 974792441.

It is a happy number.

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 144297479 - 2¹⁶ = 144231943 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 (144297079) 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, 4244027 + ... + 4244060.

It is an arithmetic number, because the mean of its divisors is an integer number (38196396).

Almost surely, 2^144297479 is an apocalyptic number.

144297479 is a deficient number, since it is larger than the sum of its proper divisors (8488105).

144297479 is an equidigital number, since it uses as much as digits as its factorization.

144297479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488104.

The product of its digits is 508032, while the sum is 47.

The square root of 144297479 is about 12012.3885634790. The cubic root of 144297479 is about 524.5089637003.

The spelling of 144297479 in words is "one hundred forty-four million, two hundred ninety-seven thousand, four hundred seventy-nine".