243154545355 has 32 divisors (see below), whose sum is σ = 309155616000. Its totient is φ = 183291343872.

The previous prime is 243154545343. The next prime is 243154545371. The reversal of 243154545355 is 553545451342.

It is not a de Polignac number, because 243154545355 - 2¹⁹ = 243154021067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2327319 + ... + 2429551.

It is an arithmetic number, because the mean of its divisors is an integer number (9661113000).

Almost surely, 2^243154545355 is an apocalyptic number.

243154545355 is a deficient number, since it is larger than the sum of its proper divisors (66001070645).

243154545355 is a wasteful number, since it uses less digits than its factorization.

243154545355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102663.

The product of its digits is 3600000, while the sum is 46.

Adding to 243154545355 its reverse (553545451342), we get a palindrome (796699996697).

The spelling of 243154545355 in words is "two hundred forty-three billion, one hundred fifty-four million, five hundred forty-five thousand, three hundred fifty-five".