243141012 has 18 divisors (see below), whose sum is σ = 614606538. Its totient is φ = 81046992.

The previous prime is 243141001. The next prime is 243141047. The reversal of 243141012 is 210141342.

243141012 is a `hidden beast` number, since 243 + 1 + 410 + 12 = 666.

243141012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 124679556 + 118461456 = 11166^2 + 10884^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3376923 + ... + 3376994.

Almost surely, 2^243141012 is an apocalyptic number.

It is an amenable number.

243141012 is an abundant number, since it is smaller than the sum of its proper divisors (371465526).

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

243141012 is a wasteful number, since it uses less digits than its factorization.

243141012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6753927 (or 6753922 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 243141012 is about 15592.9795741545. The cubic root of 243141012 is about 624.1458300684.

Adding to 243141012 its reverse (210141342), we get a palindrome (453282354).

The spelling of 243141012 in words is "two hundred forty-three million, one hundred forty-one thousand, twelve".