158587157142 has 24 divisors (see below), whose sum is σ = 343612834344. Its totient is φ = 52861258464.

The previous prime is 158587157129. The next prime is 158587157143. The reversal of 158587157142 is 241751785851.

158587157142 is a `hidden beast` number, since 1 + 5 + 8 + 587 + 1 + 57 + 1 + 4 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158587157143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1574818 + ... + 1672490.

It is an arithmetic number, because the mean of its divisors is an integer number (14317201431).

Almost surely, 2^158587157142 is an apocalyptic number.

158587157142 is an abundant number, since it is smaller than the sum of its proper divisors (185025677202).

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

158587157142 is a wasteful number, since it uses less digits than its factorization.

158587157142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187884 (or 187881 counting only the distinct ones).

The product of its digits is 3136000, while the sum is 54.

The spelling of 158587157142 in words is "one hundred fifty-eight billion, five hundred eighty-seven million, one hundred fifty-seven thousand, one hundred forty-two".