228141535 has 4 divisors (see below), whose sum is σ = 273769848. Its totient is φ = 182513224.

The previous prime is 228141533. The next prime is 228141541. The reversal of 228141535 is 535141822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228141535 - 2¹ = 228141533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228141497 and 228141506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228141533) 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 3 ways as a sum of consecutive naturals, for example, 22814149 + ... + 22814158.

It is an arithmetic number, because the mean of its divisors is an integer number (68442462).

Almost surely, 2^228141535 is an apocalyptic number.

228141535 is a deficient number, since it is larger than the sum of its proper divisors (45628313).

228141535 is an equidigital number, since it uses as much as digits as its factorization.

228141535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45628312.

The product of its digits is 9600, while the sum is 31.

The square root of 228141535 is about 15104.3548356095. The cubic root of 228141535 is about 611.0378596191.

The spelling of 228141535 in words is "two hundred twenty-eight million, one hundred forty-one thousand, five hundred thirty-five".