225039134945 has 8 divisors (see below), whose sum is σ = 281788134336. Its totient is φ = 172203859696.

The previous prime is 225039134917. The next prime is 225039135007. The reversal of 225039134945 is 549431930522.

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

It is a cyclic number.

It is not a de Polignac number, because 225039134945 - 2⁸ = 225039134689 is a prime.

It is a super-2 number, since 2×225039134945² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

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 225039134945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978430907 + ... + 978431136.

It is an arithmetic number, because the mean of its divisors is an integer number (35223516792).

Almost surely, 2^225039134945 is an apocalyptic number.

It is an amenable number.

225039134945 is a deficient number, since it is larger than the sum of its proper divisors (56748999391).

225039134945 is a wasteful number, since it uses less digits than its factorization.

225039134945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956862071.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 225039134945 in words is "two hundred twenty-five billion, thirty-nine million, one hundred thirty-four thousand, nine hundred forty-five".