142434542305 has 16 divisors (see below), whose sum is σ = 192474597888. Its totient is φ = 100247184000.

The previous prime is 142434542303. The next prime is 142434542333. The reversal of 142434542305 is 503245434241.

It is not a de Polignac number, because 142434542305 - 2¹ = 142434542303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142434542303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41767956 + ... + 41771365.

It is an arithmetic number, because the mean of its divisors is an integer number (12029662368).

Almost surely, 2^142434542305 is an apocalyptic number.

It is an amenable number.

142434542305 is a deficient number, since it is larger than the sum of its proper divisors (50040055583).

142434542305 is a wasteful number, since it uses less digits than its factorization.

142434542305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83539368.

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

Adding to 142434542305 its reverse (503245434241), we get a palindrome (645679976546).

The spelling of 142434542305 in words is "one hundred forty-two billion, four hundred thirty-four million, five hundred forty-two thousand, three hundred five".