343540142 has 8 divisors (see below), whose sum is σ = 562156632. Its totient is φ = 156154600.

The previous prime is 343540139. The next prime is 343540163. The reversal of 343540142 is 241045343.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7807709 + ... + 7807752.

It is an arithmetic number, because the mean of its divisors is an integer number (70269579).

Almost surely, 2^343540142 is an apocalyptic number.

343540142 is a deficient number, since it is larger than the sum of its proper divisors (218616490).

343540142 is a wasteful number, since it uses less digits than its factorization.

343540142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15615474.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 343540142 is about 18534.8359043181. The cubic root of 343540142 is about 700.3672508278.

Adding to 343540142 its reverse (241045343), we get a palindrome (584585485).

The spelling of 343540142 in words is "three hundred forty-three million, five hundred forty thousand, one hundred forty-two".