225743161734 has 80 divisors (see below), whose sum is σ = 520143513120. Its totient is φ = 73132709760.

The previous prime is 225743161733. The next prime is 225743161747. The reversal of 225743161734 is 437161347522.

It is a happy number.

225743161734 is a `hidden beast` number, since 2 + 2 + 574 + 3 + 1 + 6 + 1 + 73 + 4 = 666.

225743161734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225743161734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225743161733) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 1682232 + ... + 1811460.

It is an arithmetic number, because the mean of its divisors is an integer number (6501793914).

Almost surely, 2^225743161734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225743161734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260071756560).

225743161734 is an abundant number, since it is smaller than the sum of its proper divisors (294400351386).

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

225743161734 is a wasteful number, since it uses less digits than its factorization.

225743161734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129547 (or 129538 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 225743161734 in words is "two hundred twenty-five billion, seven hundred forty-three million, one hundred sixty-one thousand, seven hundred thirty-four".