228252532146 has 32 divisors (see below), whose sum is σ = 494599203648. Its totient is φ = 69943319040.

The previous prime is 228252532141. The next prime is 228252532181. The reversal of 228252532146 is 641235252822.

228252532146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 228252532098 and 228252532107.

It is not an unprimeable number, because it can be changed into a prime (228252532141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26016195 + ... + 26024966.

It is an arithmetic number, because the mean of its divisors is an integer number (15456225114).

Almost surely, 2^228252532146 is an apocalyptic number.

228252532146 is an abundant number, since it is smaller than the sum of its proper divisors (266346671502).

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

228252532146 is a wasteful number, since it uses less digits than its factorization.

228252532146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52041226.

The product of its digits is 460800, while the sum is 42.

Adding to 228252532146 its reverse (641235252822), we get a palindrome (869487784968).

The spelling of 228252532146 in words is "two hundred twenty-eight billion, two hundred fifty-two million, five hundred thirty-two thousand, one hundred forty-six".