228160845 has 48 divisors (see below), whose sum is σ = 436363200. Its totient is φ = 109359360.

The previous prime is 228160831. The next prime is 228160853. The reversal of 228160845 is 548061822.

228160845 is a `hidden beast` number, since 2 + 2 + 8 + 1 + 608 + 45 = 666.

It is not a de Polignac number, because 228160845 - 2⁹ = 228160333 is a prime.

It is a super-2 number, since 2×228160845² = 104114742382228050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41466 + ... + 46644.

It is an arithmetic number, because the mean of its divisors is an integer number (9090900).

Almost surely, 2^228160845 is an apocalyptic number.

It is an amenable number.

228160845 is a deficient number, since it is larger than the sum of its proper divisors (208202355).

228160845 is a wasteful number, since it uses less digits than its factorization.

228160845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290 (or 5287 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 228160845 is about 15104.9940417069. The cubic root of 228160845 is about 611.0550986373.

The spelling of 228160845 in words is "two hundred twenty-eight million, one hundred sixty thousand, eight hundred forty-five".