243245210102 has 8 divisors (see below), whose sum is σ = 364889205000. Its totient is φ = 121615475104.

The previous prime is 243245210099. The next prime is 243245210137. The reversal of 243245210102 is 201012542342.

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

It is a super-2 number, since 2×243245210102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3522227 + ... + 3590622.

It is an arithmetic number, because the mean of its divisors is an integer number (45611150625).

Almost surely, 2^243245210102 is an apocalyptic number.

243245210102 is a deficient number, since it is larger than the sum of its proper divisors (121643994898).

243245210102 is a wasteful number, since it uses less digits than its factorization.

243245210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129950.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 243245210102 its reverse (201012542342), we get a palindrome (444257752444).

The spelling of 243245210102 in words is "two hundred forty-three billion, two hundred forty-five million, two hundred ten thousand, one hundred two".