158735489582742 has 64 divisors (see below), whose sum is σ = 326790618808320. Its totient is φ = 51376398577056.

The previous prime is 158735489582687. The next prime is 158735489582749. The reversal of 158735489582742 is 247285984537851.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158735489582749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1241929803 + ... + 1242057609.

It is an arithmetic number, because the mean of its divisors is an integer number (5106103418880).

Almost surely, 2^{158735489582742} is an apocalyptic number.

158735489582742 is an abundant number, since it is smaller than the sum of its proper divisors (168055129225578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158735489582742 is a wasteful number, since it uses less digits than its factorization.

158735489582742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162665.

The product of its digits is 5419008000, while the sum is 78.

The spelling of 158735489582742 in words is "one hundred fifty-eight trillion, seven hundred thirty-five billion, four hundred eighty-nine million, five hundred eighty-two thousand, seven hundred forty-two".