447144339 has 4 divisors (see below), whose sum is σ = 596192456. Its totient is φ = 298096224.

The previous prime is 447144307. The next prime is 447144343. The reversal of 447144339 is 933441744.

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

It is not a de Polignac number, because 447144339 - 2⁵ = 447144307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 447144297 and 447144306.

It is not an unprimeable number, because it can be changed into a prime (447144349) 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, 74524054 + ... + 74524059.

It is an arithmetic number, because the mean of its divisors is an integer number (149048114).

Almost surely, 2^447144339 is an apocalyptic number.

447144339 is a deficient number, since it is larger than the sum of its proper divisors (149048117).

447144339 is a wasteful number, since it uses less digits than its factorization.

447144339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149048116.

The product of its digits is 145152, while the sum is 39.

The square root of 447144339 is about 21145.7877365682. The cubic root of 447144339 is about 764.6850136441.

The spelling of 447144339 in words is "four hundred forty-seven million, one hundred forty-four thousand, three hundred thirty-nine".