243054101550 has 144 divisors (see below), whose sum is σ = 653814702288. Its totient is φ = 59727283200.

The previous prime is 243054101509. The next prime is 243054101567. The reversal of 243054101550 is 55101450342.

243054101550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15531730 + ... + 15547370.

It is an arithmetic number, because the mean of its divisors is an integer number (4540379877).

Almost surely, 2^243054101550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243054101550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326907351144).

243054101550 is an abundant number, since it is smaller than the sum of its proper divisors (410760600738).

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

243054101550 is a wasteful number, since it uses less digits than its factorization.

243054101550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16295 (or 16277 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 243054101550 its reverse (55101450342), we get a palindrome (298155551892).

The spelling of 243054101550 in words is "two hundred forty-three billion, fifty-four million, one hundred one thousand, five hundred fifty".