142323515540305 has 32 divisors (see below), whose sum is σ = 194543716405248. Its totient is φ = 98942137060800.

The previous prime is 142323515540257. The next prime is 142323515540317. The reversal of 142323515540305 is 503045515323241.

It is not a de Polignac number, because 142323515540305 - 2¹⁷ = 142323515409233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35318469 + ... + 39141298.

It is an arithmetic number, because the mean of its divisors is an integer number (6079491137664).

Almost surely, 2^{142323515540305} is an apocalyptic number.

It is an amenable number.

142323515540305 is a deficient number, since it is larger than the sum of its proper divisors (52220200864943).

142323515540305 is a wasteful number, since it uses less digits than its factorization.

142323515540305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74461317.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 142323515540305 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred fifteen million, five hundred forty thousand, three hundred five".