340542452143 has 8 divisors (see below), whose sum is σ = 344723513040. Its totient is φ = 336369274560.

The previous prime is 340542452119. The next prime is 340542452149. The reversal of 340542452143 is 341254245043.

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

It is a cyclic number.

It is not a de Polignac number, because 340542452143 - 2⁹ = 340542451631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340542452149) 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 7 ways as a sum of consecutive naturals, for example, 1883880 + ... + 2056717.

It is an arithmetic number, because the mean of its divisors is an integer number (43090439130).

Almost surely, 2^340542452143 is an apocalyptic number.

340542452143 is a deficient number, since it is larger than the sum of its proper divisors (4181060897).

340542452143 is an equidigital number, since it uses as much as digits as its factorization.

340542452143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941657.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 340542452143 its reverse (341254245043), we get a palindrome (681796697186).

The spelling of 340542452143 in words is "three hundred forty billion, five hundred forty-two million, four hundred fifty-two thousand, one hundred forty-three".