228146057 has 2 divisors, whose sum is σ = 228146058. Its totient is φ = 228146056.

The previous prime is 228146041. The next prime is 228146101. The reversal of 228146057 is 750641822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150283081 + 77862976 = 12259^2 + 8824^2 .

It is a cyclic number.

It is not a de Polignac number, because 228146057 - 2⁴ = 228146041 is a prime.

It is a Chen prime.

It is equal to p_12546179 and since 228146057 and 12546179 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (228146027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114073028 + 114073029.

It is an arithmetic number, because the mean of its divisors is an integer number (114073029).

Almost surely, 2^228146057 is an apocalyptic number.

It is an amenable number.

228146057 is a deficient number, since it is larger than the sum of its proper divisors (1).

228146057 is an equidigital number, since it uses as much as digits as its factorization.

228146057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 228146057 is about 15104.5045267960. The cubic root of 228146057 is about 611.0418967255.

Adding to 228146057 its reverse (750641822), we get a palindrome (978787879).

The spelling of 228146057 in words is "two hundred twenty-eight million, one hundred forty-six thousand, fifty-seven".