158243406 has 32 divisors (see below), whose sum is σ = 327671808. Its totient is φ = 50893920.

The previous prime is 158243389. The next prime is 158243411. The reversal of 158243406 is 604342851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72771 + ... + 74913.

It is an arithmetic number, because the mean of its divisors is an integer number (10239744).

Almost surely, 2^158243406 is an apocalyptic number.

158243406 is an abundant number, since it is smaller than the sum of its proper divisors (169428402).

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

158243406 is a wasteful number, since it uses less digits than its factorization.

158243406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 158243406 is about 12579.4835347084. The cubic root of 158243406 is about 540.8894873937.

The spelling of 158243406 in words is "one hundred fifty-eight million, two hundred forty-three thousand, four hundred six".