445564141465544 has 16 divisors (see below), whose sum is σ = 835451091246300. Its totient is φ = 222777183799872.

The previous prime is 445564141465511. The next prime is 445564141465571.

445564141465544 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 379410481885444 + 66153659580100 = 19478462^2 + 8133490^2 .

It is a super-2 number, since 2×445564141465544² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610479107 + ... + 611208530.

Almost surely, 2^{445564141465544} is an apocalyptic number.

It is an amenable number.

445564141465544 is a deficient number, since it is larger than the sum of its proper divisors (389886949780756).

445564141465544 is a wasteful number, since it uses less digits than its factorization.

445564141465544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221733232 (or 1221733228 counting only the distinct ones).

The product of its digits is 368640000, while the sum is 62.

The spelling of 445564141465544 in words is "four hundred forty-five trillion, five hundred sixty-four billion, one hundred forty-one million, four hundred sixty-five thousand, five hundred forty-four".