225542425630144 has 28 divisors (see below), whose sum is σ = 511498000983664. Its totient is φ = 96661039555584.

The previous prime is 225542425630111. The next prime is 225542425630187. The reversal of 225542425630144 is 441036524245522.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251721456729 + ... + 251721457624.

Almost surely, 2^{225542425630144} is an apocalyptic number.

It is an amenable number.

225542425630144 is an abundant number, since it is smaller than the sum of its proper divisors (285955575353520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225542425630144 is an equidigital number, since it uses as much as digits as its factorization.

225542425630144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503442914372 (or 503442914362 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 49.

Adding to 225542425630144 its reverse (441036524245522), we get a palindrome (666578949875666).

The spelling of 225542425630144 in words is "two hundred twenty-five trillion, five hundred forty-two billion, four hundred twenty-five million, six hundred thirty thousand, one hundred forty-four".