225545045 has 8 divisors (see below), whose sum is σ = 295259040. Its totient is φ = 164032720.

The previous prime is 225545009. The next prime is 225545063. The reversal of 225545045 is 540545522.

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

It is a de Polignac number, because none of the positive numbers 2^k-225545045 is a prime.

It is a congruent number.

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, 2050355 + ... + 2050464.

It is an arithmetic number, because the mean of its divisors is an integer number (36907380).

Almost surely, 2^225545045 is an apocalyptic number.

It is an amenable number.

225545045 is a deficient number, since it is larger than the sum of its proper divisors (69713995).

225545045 is a wasteful number, since it uses less digits than its factorization.

225545045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100835.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 225545045 is about 15018.1571772305. The cubic root of 225545045 is about 608.7109255643.

The spelling of 225545045 in words is "two hundred twenty-five million, five hundred forty-five thousand, forty-five".