228145103 has 8 divisors (see below), whose sum is σ = 242486400. Its totient is φ = 214037208.

The previous prime is 228145091. The next prime is 228145111. The reversal of 228145103 is 301541822.

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 228145103 - 2¹⁸ = 227882959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228145123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56333 + ... + 60246.

It is an arithmetic number, because the mean of its divisors is an integer number (30310800).

Almost surely, 2^228145103 is an apocalyptic number.

228145103 is a deficient number, since it is larger than the sum of its proper divisors (14341297).

228145103 is a wasteful number, since it uses less digits than its factorization.

228145103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116701.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 228145103 is about 15104.4729467797. The cubic root of 228145103 is about 611.0410450273.

Adding to 228145103 its reverse (301541822), we get a palindrome (529686925).

The spelling of 228145103 in words is "two hundred twenty-eight million, one hundred forty-five thousand, one hundred three".