243045000155 has 8 divisors (see below), whose sum is σ = 308810117952. Its totient is φ = 182998588288.

The previous prime is 243045000113. The next prime is 243045000157. The reversal of 243045000155 is 551000540342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243045000155 - 2¹² = 243044996059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243045000157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429676387 + ... + 1429676556.

It is an arithmetic number, because the mean of its divisors is an integer number (38601264744).

Almost surely, 2^243045000155 is an apocalyptic number.

243045000155 is a deficient number, since it is larger than the sum of its proper divisors (65765117797).

243045000155 is a wasteful number, since it uses less digits than its factorization.

243045000155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859352965.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 243045000155 its reverse (551000540342), we get a palindrome (794045540497).

The spelling of 243045000155 in words is "two hundred forty-three billion, forty-five million, one hundred fifty-five", and thus it is an aban number.