243455142141 has 12 divisors (see below), whose sum is σ = 351677493180. Its totient is φ = 162294167040.

The previous prime is 243455142103. The next prime is 243455142143. The reversal of 243455142141 is 141241554342.

243455142141 is a `hidden beast` number, since 2 + 43 + 4 + 551 + 4 + 21 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 214882310916 + 28572831225 = 463554^2 + 169035^2 .

It is not a de Polignac number, because 243455142141 - 2¹⁰ = 243455141117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243455142096 and 243455142105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243455142143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603330 + ... + 922451.

It is an arithmetic number, because the mean of its divisors is an integer number (29306457765).

Almost surely, 2^243455142141 is an apocalyptic number.

It is an amenable number.

243455142141 is a deficient number, since it is larger than the sum of its proper divisors (108222351039).

243455142141 is a wasteful number, since it uses less digits than its factorization.

243455142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543516 (or 1543513 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 243455142141 its reverse (141241554342), we get a palindrome (384696696483).

The spelling of 243455142141 in words is "two hundred forty-three billion, four hundred fifty-five million, one hundred forty-two thousand, one hundred forty-one".