142376540105 has 4 divisors (see below), whose sum is σ = 170851848132. Its totient is φ = 113901232080.

The previous prime is 142376540077. The next prime is 142376540171. The reversal of 142376540105 is 501045673241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33543189904 + 108833350201 = 183148^2 + 329899^2 .

It is not a de Polignac number, because 142376540105 - 2⁸ = 142376539849 is a prime.

It is a super-2 number, since 2×142376540105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14237654006 + ... + 14237654015.

It is an arithmetic number, because the mean of its divisors is an integer number (42712962033).

Almost surely, 2^142376540105 is an apocalyptic number.

It is an amenable number.

142376540105 is a deficient number, since it is larger than the sum of its proper divisors (28475308027).

142376540105 is an equidigital number, since it uses as much as digits as its factorization.

142376540105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28475308026.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 142376540105 in words is "one hundred forty-two billion, three hundred seventy-six million, five hundred forty thousand, one hundred five".