243245525542342 has 8 divisors (see below), whose sum is σ = 365099363865000. Its totient is φ = 121545737587344.

The previous prime is 243245525542303. The next prime is 243245525542343.

243245525542342 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 243245525542342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243245525542343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38512587967 + ... + 38512594282.

It is an arithmetic number, because the mean of its divisors is an integer number (45637420483125).

Almost surely, 2^{243245525542342} is an apocalyptic number.

243245525542342 is a deficient number, since it is larger than the sum of its proper divisors (121853838322658).

243245525542342 is a wasteful number, since it uses less digits than its factorization.

243245525542342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77025183830.

The product of its digits is 46080000, while the sum is 52.

The spelling of 243245525542342 in words is "two hundred forty-three trillion, two hundred forty-five billion, five hundred twenty-five million, five hundred forty-two thousand, three hundred forty-two".