228144546 has 32 divisors (see below), whose sum is σ = 579415680. Its totient is φ = 65184048.

The previous prime is 228144529. The next prime is 228144559. The reversal of 228144546 is 645441822.

228144546 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228144546² = 104099867739092232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228144546.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301401 + ... + 302156.

It is an arithmetic number, because the mean of its divisors is an integer number (18106740).

Almost surely, 2^228144546 is an apocalyptic number.

228144546 is an abundant number, since it is smaller than the sum of its proper divisors (351271134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228144546 is a wasteful number, since it uses less digits than its factorization.

228144546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603575 (or 603569 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 228144546 is about 15104.4545085217. The cubic root of 228144546 is about 611.0405477558.

The spelling of 228144546 in words is "two hundred twenty-eight million, one hundred forty-four thousand, five hundred forty-six".