340143242 has 16 divisors (see below), whose sum is σ = 540836352. Its totient is φ = 159887040.

The previous prime is 340143229. The next prime is 340143247. The reversal of 340143242 is 242341043.

340143242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (340143247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27863 + ... + 38165.

It is an arithmetic number, because the mean of its divisors is an integer number (33802272).

Almost surely, 2^340143242 is an apocalyptic number.

340143242 is a deficient number, since it is larger than the sum of its proper divisors (200693110).

340143242 is a wasteful number, since it uses less digits than its factorization.

340143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 340143242 is about 18442.9726996490. The cubic root of 340143242 is about 698.0512068245.

Adding to 340143242 its reverse (242341043), we get a palindrome (582484285).

The spelling of 340143242 in words is "three hundred forty million, one hundred forty-three thousand, two hundred forty-two".