144579447 has 12 divisors (see below), whose sum is σ = 208956384. Its totient is φ = 96331200.

The previous prime is 144579433. The next prime is 144579451. The reversal of 144579447 is 744975441.

It is not a de Polignac number, because 144579447 - 2⁴ = 144579431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144579427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17743 + ... + 24575.

It is an arithmetic number, because the mean of its divisors is an integer number (17413032).

Almost surely, 2^144579447 is an apocalyptic number.

144579447 is a deficient number, since it is larger than the sum of its proper divisors (64376937).

144579447 is a wasteful number, since it uses less digits than its factorization.

144579447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9190 (or 9187 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 144579447 is about 12024.1193856349. The cubic root of 144579447 is about 524.8503845773.

The spelling of 144579447 in words is "one hundred forty-four million, five hundred seventy-nine thousand, four hundred forty-seven".