447455030442545 has 24 divisors (see below), whose sum is σ = 542544836805816. Its totient is φ = 354268981075968.

The previous prime is 447455030442523. The next prime is 447455030442601. The reversal of 447455030442545 is 545244030554744.

It can be written as a sum of positive squares in 12 ways, for example, as 302409595845184 + 145045434597361 = 17389928^2 + 12043481^2 .

It is not a de Polignac number, because 447455030442545 - 2²⁰ = 447455029393969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37760807 + ... + 48174563.

It is an arithmetic number, because the mean of its divisors is an integer number (22606034866909).

Almost surely, 2^{447455030442545} is an apocalyptic number.

It is an amenable number.

447455030442545 is a deficient number, since it is larger than the sum of its proper divisors (95089806363271).

447455030442545 is a wasteful number, since it uses less digits than its factorization.

447455030442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414661 (or 10414548 counting only the distinct ones).

The product of its (nonzero) digits is 107520000, while the sum is 56.

The spelling of 447455030442545 in words is "four hundred forty-seven trillion, four hundred fifty-five billion, thirty million, four hundred forty-two thousand, five hundred forty-five".