243210132 has 36 divisors (see below), whose sum is σ = 670671456. Its totient is φ = 73699920.

The previous prime is 243210131. The next prime is 243210161. The reversal of 243210132 is 231012342.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243210131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306688 + ... + 307479.

Almost surely, 2^243210132 is an apocalyptic number.

243210132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243210132 is an abundant number, since it is smaller than the sum of its proper divisors (427461324).

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

243210132 is a wasteful number, since it uses less digits than its factorization.

243210132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614188 (or 614183 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 243210132 is about 15595.1957987067. The cubic root of 243210132 is about 624.2049684151.

Adding to 243210132 its reverse (231012342), we get a palindrome (474222474).

It can be divided in two parts, 243210 and 132, that added together give a palindrome (243342).

The spelling of 243210132 in words is "two hundred forty-three million, two hundred ten thousand, one hundred thirty-two".