545215404454 has 16 divisors (see below), whose sum is σ = 957451442976. Its totient is φ = 227964628800.

The previous prime is 545215404407. The next prime is 545215404469. The reversal of 545215404454 is 454404512545.

It is a self number, because there is not a number n which added to its sum of digits gives 545215404454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474925737 + ... + 474926884.

It is an arithmetic number, because the mean of its divisors is an integer number (59840715186).

Almost surely, 2^545215404454 is an apocalyptic number.

545215404454 is a deficient number, since it is larger than the sum of its proper divisors (412236038522).

545215404454 is a wasteful number, since it uses less digits than its factorization.

545215404454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949852671.

The product of its (nonzero) digits is 1280000, while the sum is 43.

Adding to 545215404454 its reverse (454404512545), we get a palindrome (999619916999).

The spelling of 545215404454 in words is "five hundred forty-five billion, two hundred fifteen million, four hundred four thousand, four hundred fifty-four".