545123321546 has 32 divisors (see below), whose sum is σ = 922331914560. Its totient is φ = 240099054336.

The previous prime is 545123321507. The next prime is 545123321557. The reversal of 545123321546 is 645123321545.

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, 5029781 + ... + 5137016.

It is an arithmetic number, because the mean of its divisors is an integer number (28822872330).

Almost surely, 2^545123321546 is an apocalyptic number.

545123321546 is a deficient number, since it is larger than the sum of its proper divisors (377208593014).

545123321546 is a wasteful number, since it uses less digits than its factorization.

545123321546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166918.

The product of its digits is 432000, while the sum is 41.

Subtracting 545123321546 from its reverse (645123321545), we obtain a palindrome (99999999999).

The spelling of 545123321546 in words is "five hundred forty-five billion, one hundred twenty-three million, three hundred twenty-one thousand, five hundred forty-six".