243246156 has 12 divisors (see below), whose sum is σ = 567574392. Its totient is φ = 81082048.

The previous prime is 243246127. The next prime is 243246161. The reversal of 243246156 is 651642342.

It is a tau number, because it is divible by the number of its divisors (12).

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, 10135245 + ... + 10135268.

It is an arithmetic number, because the mean of its divisors is an integer number (47297866).

Almost surely, 2^243246156 is an apocalyptic number.

It is an amenable number.

243246156 is an abundant number, since it is smaller than the sum of its proper divisors (324328236).

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

243246156 is a wasteful number, since it uses less digits than its factorization.

243246156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20270520 (or 20270518 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 243246156 is about 15596.3507270130. The cubic root of 243246156 is about 624.2357857300.

Adding to 243246156 its reverse (651642342), we get a palindrome (894888498).

The spelling of 243246156 in words is "two hundred forty-three million, two hundred forty-six thousand, one hundred fifty-six".