228145126 has 16 divisors (see below), whose sum is σ = 373621248. Its totient is φ = 103621000.

The previous prime is 228145123. The next prime is 228145187. The reversal of 228145126 is 621541822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228145121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31551 + ... + 38101.

It is an arithmetic number, because the mean of its divisors is an integer number (23351328).

Almost surely, 2^228145126 is an apocalyptic number.

228145126 is a deficient number, since it is larger than the sum of its proper divisors (145476122).

228145126 is a wasteful number, since it uses less digits than its factorization.

228145126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147.

The product of its digits is 7680, while the sum is 31.

The square root of 228145126 is about 15104.4737081436. The cubic root of 228145126 is about 611.0410655609.

Adding to 228145126 its reverse (621541822), we get a palindrome (849686948).

The spelling of 228145126 in words is "two hundred twenty-eight million, one hundred forty-five thousand, one hundred twenty-six".