158140243 has 8 divisors (see below), whose sum is σ = 161632016. Its totient is φ = 154677600.

The previous prime is 158140201. The next prime is 158140247. The reversal of 158140243 is 342041851.

158140243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158140243 - 2¹⁷ = 158009171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158140247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3880 + ... + 18202.

It is an arithmetic number, because the mean of its divisors is an integer number (20204002).

Almost surely, 2^158140243 is an apocalyptic number.

158140243 is a deficient number, since it is larger than the sum of its proper divisors (3491773).

158140243 is a wasteful number, since it uses less digits than its factorization.

158140243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14565.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 158140243 is about 12575.3824196324. The cubic root of 158140243 is about 540.7719218580.

The spelling of 158140243 in words is "one hundred fifty-eight million, one hundred forty thousand, two hundred forty-three".