228145167 has 12 divisors (see below), whose sum is σ = 341748680. Its totient is φ = 152096616.

The previous prime is 228145123. The next prime is 228145187. The reversal of 228145167 is 761541822.

228145167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228145167 - 2²² = 223950863 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 (228145187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469192 + ... + 469677.

Almost surely, 2^228145167 is an apocalyptic number.

228145167 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

228145167 is a deficient number, since it is larger than the sum of its proper divisors (113603513).

228145167 is an frugal number, since it uses more digits than its factorization.

228145167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938884 (or 938872 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 228145167 is about 15104.4750653573. The cubic root of 228145167 is about 611.0411021643.

Adding to 228145167 its reverse (761541822), we get a palindrome (989686989).

The spelling of 228145167 in words is "two hundred twenty-eight million, one hundred forty-five thousand, one hundred sixty-seven".