243542002052 has 48 divisors (see below), whose sum is σ = 451003512960. Its totient is φ = 114752671488.

The previous prime is 243542002019. The next prime is 243542002079. The reversal of 243542002052 is 250200245342.

It is a super-3 number, since 3×243542002052³ (a number of 35 digits) contains 333 as substring.

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, 19348553 + ... + 19361135.

It is an arithmetic number, because the mean of its divisors is an integer number (9395906520).

Almost surely, 2^243542002052 is an apocalyptic number.

It is an amenable number.

243542002052 is a deficient number, since it is larger than the sum of its proper divisors (207461510908).

243542002052 is a wasteful number, since it uses less digits than its factorization.

243542002052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932 (or 13930 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 243542002052 its reverse (250200245342), we get a palindrome (493742247394).

The spelling of 243542002052 in words is "two hundred forty-three billion, five hundred forty-two million, two thousand, fifty-two".