228153529 has 2 divisors, whose sum is σ = 228153530. Its totient is φ = 228153528.

The previous prime is 228153503. The next prime is 228153553. The reversal of 228153529 is 925351822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165379600 + 62773929 = 12860^2 + 7923^2 .

It is a cyclic number.

It is not a de Polignac number, because 228153529 - 2¹¹ = 228151481 is a prime.

It is not a weakly prime, because it can be changed into another prime (228153589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114076764 + 114076765.

It is an arithmetic number, because the mean of its divisors is an integer number (114076765).

Almost surely, 2^228153529 is an apocalyptic number.

It is an amenable number.

228153529 is a deficient number, since it is larger than the sum of its proper divisors (1).

228153529 is an equidigital number, since it uses as much as digits as its factorization.

228153529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 37.

The square root of 228153529 is about 15104.7518682036. The cubic root of 228153529 is about 611.0485673868.

The spelling of 228153529 in words is "two hundred twenty-eight million, one hundred fifty-three thousand, five hundred twenty-nine".