158142887 has 16 divisors (see below), whose sum is σ = 187410240. Its totient is φ = 130566912.

The previous prime is 158142841. The next prime is 158142899. The reversal of 158142887 is 788241851.

158142887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158142887 - 2¹⁶ = 158077351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158192887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131963 + ... + 133155.

It is an arithmetic number, because the mean of its divisors is an integer number (11713140).

Almost surely, 2^158142887 is an apocalyptic number.

158142887 is a deficient number, since it is larger than the sum of its proper divisors (29267353).

158142887 is a wasteful number, since it uses less digits than its factorization.

158142887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its digits is 143360, while the sum is 44.

The square root of 158142887 is about 12575.4875452207. The cubic root of 158142887 is about 540.7749356239.

The spelling of 158142887 in words is "one hundred fifty-eight million, one hundred forty-two thousand, eight hundred eighty-seven".