225300145 has 16 divisors (see below), whose sum is σ = 314051328. Its totient is φ = 151957440.

The previous prime is 225300137. The next prime is 225300161. The reversal of 225300145 is 541003522.

It is not a de Polignac number, because 225300145 - 2³ = 225300137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 50629 + ... + 54898.

It is an arithmetic number, because the mean of its divisors is an integer number (19628208).

Almost surely, 2^225300145 is an apocalyptic number.

It is an amenable number.

225300145 is a deficient number, since it is larger than the sum of its proper divisors (88751183).

225300145 is a wasteful number, since it uses less digits than its factorization.

225300145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105600.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 225300145 is about 15010.0014990006. The cubic root of 225300145 is about 608.4905301314.

Adding to 225300145 its reverse (541003522), we get a palindrome (766303667).

The spelling of 225300145 in words is "two hundred twenty-five million, three hundred thousand, one hundred forty-five".