243102152000 has 112 divisors (see below), whose sum is σ = 608005316880. Its totient is φ = 96277760000.

The previous prime is 243102151991. The next prime is 243102152039. The reversal of 243102152000 is 251201342.

It can be written as a sum of positive squares in 8 ways, for example, as 266081344 + 242836070656 = 16312^2 + 492784^2 .

It is a super-2 number, since 2×243102152000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657566 + ... + 958434.

Almost surely, 2^243102152000 is an apocalyptic number.

243102152000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243102152000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304002658440).

243102152000 is an abundant number, since it is smaller than the sum of its proper divisors (364903164880).

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

243102152000 is a wasteful number, since it uses less digits than its factorization.

243102152000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300997 (or 300977 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 243102152000 its reverse (251201342), we get a palindrome (243353353342).

The spelling of 243102152000 in words is "two hundred forty-three billion, one hundred two million, one hundred fifty-two thousand".