142543315205 has 16 divisors (see below), whose sum is σ = 172939244400. Its totient is φ = 112783047168.

The previous prime is 142543315157. The next prime is 142543315219. The reversal of 142543315205 is 502513345241.

It can be written as a sum of positive squares in 8 ways, for example, as 3241935844 + 139301379361 = 56938^2 + 373231^2 .

It is a cyclic number.

It is not a de Polignac number, because 142543315205 - 2¹² = 142543311109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237002 + ... + 584171.

It is an arithmetic number, because the mean of its divisors is an integer number (10808702775).

Almost surely, 2^142543315205 is an apocalyptic number.

It is an amenable number.

142543315205 is a deficient number, since it is larger than the sum of its proper divisors (30395929195).

142543315205 is a wasteful number, since it uses less digits than its factorization.

142543315205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821560.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 142543315205 in words is "one hundred forty-two billion, five hundred forty-three million, three hundred fifteen thousand, two hundred five".