205226265442545 has 48 divisors (see below), whose sum is σ = 357028607070720. Its totient is φ = 109053386926848.

The previous prime is 205226265442487. The next prime is 205226265442567. The reversal of 205226265442545 is 545244562622502.

205226265442545 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 2 + 6 + 2 + 6 + 54 + 42 + 545 = 666.

It is not a de Polignac number, because 205226265442545 - 2¹² = 205226265438449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205226265442491 and 205226265442500.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26784586 + ... + 33583724.

It is an arithmetic number, because the mean of its divisors is an integer number (7438095980640).

Almost surely, 2^{205226265442545} is an apocalyptic number.

It is an amenable number.

205226265442545 is a deficient number, since it is larger than the sum of its proper divisors (151802341628175).

205226265442545 is a wasteful number, since it uses less digits than its factorization.

205226265442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801606 (or 6801603 counting only the distinct ones).

The product of its (nonzero) digits is 46080000, while the sum is 54.

The spelling of 205226265442545 in words is "two hundred five trillion, two hundred twenty-six billion, two hundred sixty-five million, four hundred forty-two thousand, five hundred forty-five".