243745626547342 has 8 divisors (see below), whose sum is σ = 366220776626496. Its totient is φ = 121672034338512.

The previous prime is 243745626547301. The next prime is 243745626547369.

243745626547342 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100389466063 + ... + 100389468490.

It is an arithmetic number, because the mean of its divisors is an integer number (45777597078312).

Almost surely, 2^{243745626547342} is an apocalyptic number.

243745626547342 is a deficient number, since it is larger than the sum of its proper divisors (122475150079154).

243745626547342 is a wasteful number, since it uses less digits than its factorization.

243745626547342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200778935162.

The product of its digits is 812851200, while the sum is 64.

The spelling of 243745626547342 in words is "two hundred forty-three trillion, seven hundred forty-five billion, six hundred twenty-six million, five hundred forty-seven thousand, three hundred forty-two".