225132554645 has 4 divisors (see below), whose sum is σ = 270159065580. Its totient is φ = 180106043712.

The previous prime is 225132554627. The next prime is 225132554657. The reversal of 225132554645 is 546455231522.

It is a happy number.

225132554645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79313203876 + 145819350769 = 281626^2 + 381863^2 .

It is a cyclic number.

It is not a de Polignac number, because 225132554645 - 2⁸ = 225132554389 is a prime.

It is a super-2 number, since 2×225132554645² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225132554596 and 225132554605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22513255460 + ... + 22513255469.

It is an arithmetic number, because the mean of its divisors is an integer number (67539766395).

Almost surely, 2^225132554645 is an apocalyptic number.

It is an amenable number.

225132554645 is a deficient number, since it is larger than the sum of its proper divisors (45026510935).

225132554645 is an equidigital number, since it uses as much as digits as its factorization.

225132554645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45026510934.

The product of its digits is 1440000, while the sum is 44.

The spelling of 225132554645 in words is "two hundred twenty-five billion, one hundred thirty-two million, five hundred fifty-four thousand, six hundred forty-five".