545244121 has 8 divisors (see below), whose sum is σ = 575758080. Its totient is φ = 514911888.

The previous prime is 545244113. The next prime is 545244127. The reversal of 545244121 is 121442545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545244121 - 2³ = 545244113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545244121.

It is not an unprimeable number, because it can be changed into a prime (545244127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39241 + ... + 51286.

It is an arithmetic number, because the mean of its divisors is an integer number (71969760).

Almost surely, 2^545244121 is an apocalyptic number.

It is an amenable number.

545244121 is a deficient number, since it is larger than the sum of its proper divisors (30513959).

545244121 is a wasteful number, since it uses less digits than its factorization.

545244121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90863.

The product of its digits is 6400, while the sum is 28.

The square root of 545244121 is about 23350.4629718556. The cubic root of 545244121 is about 816.9528594246.

Adding to 545244121 its reverse (121442545), we get a palindrome (666686666).

The spelling of 545244121 in words is "five hundred forty-five million, two hundred forty-four thousand, one hundred twenty-one".