144447679 has 4 divisors (see below), whose sum is σ = 144567976. Its totient is φ = 144327384.

The previous prime is 144447661. The next prime is 144447683. The reversal of 144447679 is 976744441.

It is a happy number.

144447679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144447679 - 2¹⁵ = 144414911 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 (144447619) 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, 58329 + ... + 60754.

It is an arithmetic number, because the mean of its divisors is an integer number (36141994).

Almost surely, 2^144447679 is an apocalyptic number.

144447679 is a deficient number, since it is larger than the sum of its proper divisors (120297).

144447679 is a wasteful number, since it uses less digits than its factorization.

144447679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120296.

The product of its digits is 677376, while the sum is 46.

The square root of 144447679 is about 12018.6388164384. The cubic root of 144447679 is about 524.6908886332.

The spelling of 144447679 in words is "one hundred forty-four million, four hundred forty-seven thousand, six hundred seventy-nine".