243424156 has 12 divisors (see below), whose sum is σ = 451050768. Its totient is φ = 114552512.

The previous prime is 243424133. The next prime is 243424189. The reversal of 243424156 is 651424342.

243424156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789816 + ... + 1789951.

It is an arithmetic number, because the mean of its divisors is an integer number (37587564).

Almost surely, 2^243424156 is an apocalyptic number.

It is an amenable number.

243424156 is a deficient number, since it is larger than the sum of its proper divisors (207626612).

243424156 is a wasteful number, since it uses less digits than its factorization.

243424156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579788 (or 3579786 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 243424156 is about 15602.0561465468. The cubic root of 243424156 is about 624.3880140727.

Adding to 243424156 its reverse (651424342), we get a palindrome (894848498).

The spelling of 243424156 in words is "two hundred forty-three million, four hundred twenty-four thousand, one hundred fifty-six".