545240101 has 12 divisors (see below), whose sum is σ = 635863500. Its totient is φ = 466166400.

The previous prime is 545240039. The next prime is 545240123. The reversal of 545240101 is 101042545.

545240101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 389115076 + 156125025 = 19726^2 + 12495^2 .

It is not a de Polignac number, because 545240101 - 2⁷ = 545239973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545240161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5775 + ... + 33523.

It is an arithmetic number, because the mean of its divisors is an integer number (52988625).

Almost surely, 2^545240101 is an apocalyptic number.

It is an amenable number.

545240101 is a deficient number, since it is larger than the sum of its proper divisors (90623399).

545240101 is a wasteful number, since it uses less digits than its factorization.

545240101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28164 (or 28157 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 545240101 is about 23350.3768920332. The cubic root of 545240101 is about 816.9508516643.

Adding to 545240101 its reverse (101042545), we get a palindrome (646282646).

The spelling of 545240101 in words is "five hundred forty-five million, two hundred forty thousand, one hundred one".