545481545 has 16 divisors (see below), whose sum is σ = 787463040. Its totient is φ = 354357504.

The previous prime is 545481527. The next prime is 545481551. The reversal of 545481545 is 545184545.

It is a cyclic number.

It is not a de Polignac number, because 545481545 - 2¹⁰ = 545480521 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409472 + ... + 410801.

It is an arithmetic number, because the mean of its divisors is an integer number (49216440).

Almost surely, 2^545481545 is an apocalyptic number.

It is an amenable number.

545481545 is a deficient number, since it is larger than the sum of its proper divisors (241981495).

545481545 is a wasteful number, since it uses less digits than its factorization.

545481545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820304.

The product of its digits is 320000, while the sum is 41.

The square root of 545481545 is about 23355.5463434277. The cubic root of 545481545 is about 817.0714216499.

Subtracting from 545481545 its product of digits (320000), we obtain a palindrome (545161545).

The spelling of 545481545 in words is "five hundred forty-five million, four hundred eighty-one thousand, five hundred forty-five".