228145150 has 12 divisors (see below), whose sum is σ = 424350072. Its totient is φ = 91258040.

The previous prime is 228145123. The next prime is 228145187. The reversal of 228145150 is 51541822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2281402 + ... + 2281501.

It is an arithmetic number, because the mean of its divisors is an integer number (35362506).

Almost surely, 2^228145150 is an apocalyptic number.

228145150 is a deficient number, since it is larger than the sum of its proper divisors (196204922).

228145150 is a wasteful number, since it uses less digits than its factorization.

228145150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562915 (or 4562910 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 228145150 is about 15104.4745026101. The cubic root of 228145150 is about 611.0410869873.

Adding to 228145150 its reverse (51541822), we get a palindrome (279686972).

The spelling of 228145150 in words is "two hundred twenty-eight million, one hundred forty-five thousand, one hundred fifty".