243225453 has 8 divisors (see below), whose sum is σ = 325408608. Its totient is φ = 161596304.

The previous prime is 243225439. The next prime is 243225461. The reversal of 243225453 is 354522342.

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 243225453 - 2⁵ = 243225421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243225453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243225413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137475 + ... + 139232.

It is an arithmetic number, because the mean of its divisors is an integer number (40676076).

Almost surely, 2^243225453 is an apocalyptic number.

It is an amenable number.

243225453 is a deficient number, since it is larger than the sum of its proper divisors (82183155).

243225453 is a wasteful number, since it uses less digits than its factorization.

243225453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277003.

The product of its digits is 28800, while the sum is 30.

The square root of 243225453 is about 15595.6869999369. The cubic root of 243225453 is about 624.2180753849.

Adding to 243225453 its reverse (354522342), we get a palindrome (597747795).

The spelling of 243225453 in words is "two hundred forty-three million, two hundred twenty-five thousand, four hundred fifty-three".