158887143 has 16 divisors (see below), whose sum is σ = 243506400. Its totient is φ = 102271680.

The previous prime is 158887129. The next prime is 158887187. The reversal of 158887143 is 341788851.

It is a happy number.

It is not a de Polignac number, because 158887143 - 2⁵ = 158887111 is a prime.

It is a super-3 number, since 3×158887143³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158887103) 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, 100678 + ... + 102243.

It is an arithmetic number, because the mean of its divisors is an integer number (15219150).

Almost surely, 2^158887143 is an apocalyptic number.

158887143 is a deficient number, since it is larger than the sum of its proper divisors (84619257).

158887143 is a wasteful number, since it uses less digits than its factorization.

158887143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202959 (or 202953 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 158887143 is about 12605.0443474031. The cubic root of 158887143 is about 541.6219444365.

The spelling of 158887143 in words is "one hundred fifty-eight million, eight hundred eighty-seven thousand, one hundred forty-three".