228125144 has 32 divisors (see below), whose sum is σ = 469339920. Its totient is φ = 103299456.

The previous prime is 228125143. The next prime is 228125167. The reversal of 228125144 is 441521822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228125143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15182 + ... + 26205.

Almost surely, 2^228125144 is an apocalyptic number.

It is an amenable number.

228125144 is an abundant number, since it is smaller than the sum of its proper divisors (241214776).

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

228125144 is a wasteful number, since it uses less digits than its factorization.

228125144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41459 (or 41455 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 228125144 is about 15103.8122340024. The cubic root of 228125144 is about 611.0232257773.

Adding to 228125144 its reverse (441521822), we get a palindrome (669646966).

The spelling of 228125144 in words is "two hundred twenty-eight million, one hundred twenty-five thousand, one hundred forty-four".