228145003 has 8 divisors (see below), whose sum is σ = 235621440. Its totient is φ = 220777920.

The previous prime is 228144977. The next prime is 228145013. The reversal of 228145003 is 300541822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228145003 - 2²¹ = 226047851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228145013) 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, 23088 + ... + 31453.

It is an arithmetic number, because the mean of its divisors is an integer number (29452680).

Almost surely, 2^228145003 is an apocalyptic number.

228145003 is a deficient number, since it is larger than the sum of its proper divisors (7476437).

228145003 is an equidigital number, since it uses as much as digits as its factorization.

228145003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54677.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 228145003 is about 15104.4696365016. The cubic root of 228145003 is about 611.0409557506.

Adding to 228145003 its reverse (300541822), we get a palindrome (528686825).

The spelling of 228145003 in words is "two hundred twenty-eight million, one hundred forty-five thousand, three".