225143355 has 8 divisors (see below), whose sum is σ = 360229392. Its totient is φ = 120076448.

The previous prime is 225143329. The next prime is 225143357. The reversal of 225143355 is 553341522.

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 225143355 - 2⁵ = 225143323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225143357) 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, 7504764 + ... + 7504793.

It is an arithmetic number, because the mean of its divisors is an integer number (45028674).

Almost surely, 2^225143355 is an apocalyptic number.

225143355 is a deficient number, since it is larger than the sum of its proper divisors (135086037).

225143355 is a wasteful number, since it uses less digits than its factorization.

225143355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15009565.

The product of its digits is 18000, while the sum is 30.

The square root of 225143355 is about 15004.7777391070. Note that the first 4 decimals coincide. The cubic root of 225143355 is about 608.3493445881.

Adding to 225143355 its reverse (553341522), we get a palindrome (778484877).

The spelling of 225143355 in words is "two hundred twenty-five million, one hundred forty-three thousand, three hundred fifty-five".