243143628 has 48 divisors (see below), whose sum is σ = 698261760. Its totient is φ = 64125504.

The previous prime is 243143623. The next prime is 243143647. The reversal of 243143628 is 826341342.

It is not an unprimeable number, because it can be changed into a prime (243143623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110238 + ... + 112421.

It is an arithmetic number, because the mean of its divisors is an integer number (14547120).

Almost surely, 2^243143628 is an apocalyptic number.

243143628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

243143628 is an abundant number, since it is smaller than the sum of its proper divisors (455118132).

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

243143628 is a wasteful number, since it uses less digits than its factorization.

243143628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222686 (or 222684 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 243143628 is about 15593.0634578328. The cubic root of 243143628 is about 624.1480684946.

The spelling of 243143628 in words is "two hundred forty-three million, one hundred forty-three thousand, six hundred twenty-eight".