447465545 has 8 divisors (see below), whose sum is σ = 544314696. Its totient is φ = 353068416.

The previous prime is 447465541. The next prime is 447465569. The reversal of 447465545 is 545564744.

It can be written as a sum of positive squares in 4 ways, for example, as 198330889 + 249134656 = 14083^2 + 15784^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 447465545 - 2² = 447465541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 447465496 and 447465505.

It is not an unprimeable number, because it can be changed into a prime (447465541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612602 + ... + 613331.

It is an arithmetic number, because the mean of its divisors is an integer number (68039337).

Almost surely, 2^447465545 is an apocalyptic number.

It is an amenable number.

447465545 is a deficient number, since it is larger than the sum of its proper divisors (96849151).

447465545 is a wasteful number, since it uses less digits than its factorization.

447465545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226011.

The product of its digits is 1344000, while the sum is 44.

The square root of 447465545 is about 21153.3814081815. The cubic root of 447465545 is about 764.8680735664.

The spelling of 447465545 in words is "four hundred forty-seven million, four hundred sixty-five thousand, five hundred forty-five".