225604545 has 8 divisors (see below), whose sum is σ = 360967296. Its totient is φ = 120322416.

The previous prime is 225604513. The next prime is 225604567. The reversal of 225604545 is 545406522.

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

It is not a de Polignac number, because 225604545 - 2⁵ = 225604513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7520137 + ... + 7520166.

It is an arithmetic number, because the mean of its divisors is an integer number (45120912).

Almost surely, 2^225604545 is an apocalyptic number.

It is an amenable number.

225604545 is a deficient number, since it is larger than the sum of its proper divisors (135362751).

225604545 is a wasteful number, since it uses less digits than its factorization.

225604545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040311.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 225604545 is about 15020.1379820560. The cubic root of 225604545 is about 608.7644479338.

The spelling of 225604545 in words is "two hundred twenty-five million, six hundred four thousand, five hundred forty-five".