225012465146 has 16 divisors (see below), whose sum is σ = 395143842240. Its totient is φ = 94081866720.

The previous prime is 225012465143. The next prime is 225012465169. The reversal of 225012465146 is 641564210522.

It is not an unprimeable number, because it can be changed into a prime (225012465143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196003316 + ... + 196004463.

It is an arithmetic number, because the mean of its divisors is an integer number (24696490140).

Almost surely, 2^225012465146 is an apocalyptic number.

225012465146 is a deficient number, since it is larger than the sum of its proper divisors (170131377094).

225012465146 is a wasteful number, since it uses less digits than its factorization.

225012465146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392007829.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 225012465146 its reverse (641564210522), we get a palindrome (866576675668).

The spelling of 225012465146 in words is "two hundred twenty-five billion, twelve million, four hundred sixty-five thousand, one hundred forty-six".