158012143 has 16 divisors (see below), whose sum is σ = 166167936. Its totient is φ = 150121440.

The previous prime is 158012131. The next prime is 158012209. The reversal of 158012143 is 341210851.

It is a cyclic number.

It is not a de Polignac number, because 158012143 - 2⁵ = 158012111 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 (158010143) 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, 280380 + ... + 280942.

It is an arithmetic number, because the mean of its divisors is an integer number (10385496).

Almost surely, 2^158012143 is an apocalyptic number.

158012143 is a deficient number, since it is larger than the sum of its proper divisors (8155793).

158012143 is a wasteful number, since it uses less digits than its factorization.

158012143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 158012143 is about 12570.2881033014. The cubic root of 158012143 is about 540.6258666965.

Adding to 158012143 its reverse (341210851), we get a palindrome (499222994).

The spelling of 158012143 in words is "one hundred fifty-eight million, twelve thousand, one hundred forty-three".