228652145 has 8 divisors (see below), whose sum is σ = 275018856. Its totient is φ = 182497536.

The previous prime is 228652139. The next prime is 228652157. The reversal of 228652145 is 541256822.

228652145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18054001 + 210598144 = 4249^2 + 14512^2 .

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 228652145 - 2⁸ = 228651889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50642 + ... + 54971.

It is an arithmetic number, because the mean of its divisors is an integer number (34377357).

Almost surely, 2^228652145 is an apocalyptic number.

It is an amenable number.

228652145 is a deficient number, since it is larger than the sum of its proper divisors (46366711).

228652145 is a wasteful number, since it uses less digits than its factorization.

228652145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106051.

The product of its digits is 38400, while the sum is 35.

The square root of 228652145 is about 15121.2481297015. The cubic root of 228652145 is about 611.4933803023.

The spelling of 228652145 in words is "two hundred twenty-eight million, six hundred fifty-two thousand, one hundred forty-five".