203225045 has 8 divisors (see below), whose sum is σ = 256705440. Its totient is φ = 154023120.

The previous prime is 203225041. The next prime is 203225059. The reversal of 203225045 is 540522302.

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

It is not a de Polignac number, because 203225045 - 2² = 203225041 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 203225045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203225041) 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, 1069511 + ... + 1069700.

It is an arithmetic number, because the mean of its divisors is an integer number (32088180).

Almost surely, 2^203225045 is an apocalyptic number.

It is an amenable number.

203225045 is a deficient number, since it is larger than the sum of its proper divisors (53480395).

203225045 is a wasteful number, since it uses less digits than its factorization.

203225045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139235.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 203225045 is about 14255.7021924562. The cubic root of 203225045 is about 587.9301645122.

Adding to 203225045 its reverse (540522302), we get a palindrome (743747347).

The spelling of 203225045 in words is "two hundred three million, two hundred twenty-five thousand, forty-five".