243134152 has 16 divisors (see below), whose sum is σ = 456050160. Its totient is φ = 121520784.

The previous prime is 243134137. The next prime is 243134159. The reversal of 243134152 is 251431342.

It is a super-2 number, since 2×243134152² = 118228431737518208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243134159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28443 + ... + 35989.

It is an arithmetic number, because the mean of its divisors is an integer number (28503135).

Almost surely, 2^243134152 is an apocalyptic number.

It is an amenable number.

243134152 is a deficient number, since it is larger than the sum of its proper divisors (212916008).

243134152 is a wasteful number, since it uses less digits than its factorization.

243134152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11580 (or 11576 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 243134152 is about 15592.7596018152. The cubic root of 243134152 is about 624.1399601131.

Adding to 243134152 its reverse (251431342), we get a palindrome (494565494).

The spelling of 243134152 in words is "two hundred forty-three million, one hundred thirty-four thousand, one hundred fifty-two".