44445205454545 has 16 divisors (see below), whose sum is σ = 60953533458048. Its totient is φ = 30476657894400.

The previous prime is 44445205454491. The next prime is 44445205454579. The reversal of 44445205454545 is 54545450254444.

44445205454545 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44445205454545 - 2¹⁷ = 44445205323473 is a prime.

It is a super-2 number, since 2×44445205454545² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34707142 + ... + 35964928.

It is an arithmetic number, because the mean of its divisors is an integer number (3809595841128).

Almost surely, 2^{44445205454545} is an apocalyptic number.

It is an amenable number.

44445205454545 is a deficient number, since it is larger than the sum of its proper divisors (16508328003503).

44445205454545 is a wasteful number, since it uses less digits than its factorization.

44445205454545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267400.

The product of its (nonzero) digits is 102400000, while the sum is 55.

The spelling of 44445205454545 in words is "forty-four trillion, four hundred forty-five billion, two hundred five million, four hundred fifty-four thousand, five hundred forty-five".