225489045 has 16 divisors (see below), whose sum is σ = 360984960. Its totient is φ = 120193344.

The previous prime is 225489031. The next prime is 225489049. The reversal of 225489045 is 540984522.

It is not a de Polignac number, because 225489045 - 2⁴ = 225489029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225488994 and 225489012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225489049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35416 + ... + 41294.

It is an arithmetic number, because the mean of its divisors is an integer number (22561560).

Almost surely, 2^225489045 is an apocalyptic number.

It is an amenable number.

225489045 is a deficient number, since it is larger than the sum of its proper divisors (135495915).

225489045 is a wasteful number, since it uses less digits than its factorization.

225489045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8444.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 225489045 is about 15016.2926516501. The cubic root of 225489045 is about 608.6605429702.

The spelling of 225489045 in words is "two hundred twenty-five million, four hundred eighty-nine thousand, forty-five".