243345440102 has 4 divisors (see below), whose sum is σ = 365018160156. Its totient is φ = 121672720050.

The previous prime is 243345440071. The next prime is 243345440113. The reversal of 243345440102 is 201044543342.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60836360024 + ... + 60836360027.

It is an arithmetic number, because the mean of its divisors is an integer number (91254540039).

Almost surely, 2^243345440102 is an apocalyptic number.

243345440102 is a deficient number, since it is larger than the sum of its proper divisors (121672720054).

243345440102 is a wasteful number, since it uses less digits than its factorization.

243345440102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121672720053.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 243345440102 its reverse (201044543342), we get a palindrome (444389983444).

The spelling of 243345440102 in words is "two hundred forty-three billion, three hundred forty-five million, four hundred forty thousand, one hundred two".