225054435445 has 32 divisors (see below), whose sum is σ = 310212790272. Its totient is φ = 153540513792.

The previous prime is 225054435439. The next prime is 225054435499. The reversal of 225054435445 is 544534450522.

It is a cyclic number.

It is not a de Polignac number, because 225054435445 - 2¹³ = 225054427253 is a prime.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 14923429 + ... + 14938501.

It is an arithmetic number, because the mean of its divisors is an integer number (9694149696).

Almost surely, 2^225054435445 is an apocalyptic number.

It is an amenable number.

225054435445 is a deficient number, since it is larger than the sum of its proper divisors (85158354827).

225054435445 is a wasteful number, since it uses less digits than its factorization.

225054435445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17221.

The product of its (nonzero) digits is 1920000, while the sum is 43.

Adding to 225054435445 its reverse (544534450522), we get a palindrome (769588885967).

The spelling of 225054435445 in words is "two hundred twenty-five billion, fifty-four million, four hundred thirty-five thousand, four hundred forty-five".