243155054530 has 16 divisors (see below), whose sum is σ = 447857682624. Its totient is φ = 95000114160.

The previous prime is 243155054509. The next prime is 243155054533. The reversal of 243155054530 is 35450551342.

It is a self number, because there is not a number n which added to its sum of digits gives 243155054530.

It is not an unprimeable number, because it can be changed into a prime (243155054533) 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, 282738006 + ... + 282738865.

It is an arithmetic number, because the mean of its divisors is an integer number (27991105164).

Almost surely, 2^243155054530 is an apocalyptic number.

243155054530 is a deficient number, since it is larger than the sum of its proper divisors (204702628094).

243155054530 is a wasteful number, since it uses less digits than its factorization.

243155054530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565476921.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 243155054530 in words is "two hundred forty-three billion, one hundred fifty-five million, fifty-four thousand, five hundred thirty".