142540334542 has 4 divisors (see below), whose sum is σ = 213810501816. Its totient is φ = 71270167270.

The previous prime is 142540334539. The next prime is 142540334551. The reversal of 142540334542 is 245433045241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35635083634 + ... + 35635083637.

It is an arithmetic number, because the mean of its divisors is an integer number (53452625454).

Almost surely, 2^142540334542 is an apocalyptic number.

142540334542 is a deficient number, since it is larger than the sum of its proper divisors (71270167274).

142540334542 is an equidigital number, since it uses as much as digits as its factorization.

142540334542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71270167273.

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

Adding to 142540334542 its reverse (245433045241), we get a palindrome (387973379783).

The spelling of 142540334542 in words is "one hundred forty-two billion, five hundred forty million, three hundred thirty-four thousand, five hundred forty-two".