225232545 has 16 divisors (see below), whose sum is σ = 364089600. Its totient is φ = 118884864.

The previous prime is 225232529. The next prime is 225232547. The reversal of 225232545 is 545232522.

225232545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225232545 - 2⁴ = 225232529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225232547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75945 + ... + 78854.

It is an arithmetic number, because the mean of its divisors is an integer number (22755600).

Almost surely, 2^225232545 is an apocalyptic number.

It is an amenable number.

225232545 is a deficient number, since it is larger than the sum of its proper divisors (138857055).

225232545 is a wasteful number, since it uses less digits than its factorization.

225232545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154904.

The product of its digits is 24000, while the sum is 30.

The square root of 225232545 is about 15007.7494981759. The cubic root of 225232545 is about 608.4296660271.

The spelling of 225232545 in words is "two hundred twenty-five million, two hundred thirty-two thousand, five hundred forty-five".