206158142 has 16 divisors (see below), whose sum is σ = 312118272. Its totient is φ = 102123480.

The previous prime is 206158123. The next prime is 206158171. The reversal of 206158142 is 241851602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107153 + ... + 109059.

It is an arithmetic number, because the mean of its divisors is an integer number (19507392).

Almost surely, 2^206158142 is an apocalyptic number.

206158142 is a deficient number, since it is larger than the sum of its proper divisors (105960130).

206158142 is a wasteful number, since it uses less digits than its factorization.

206158142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 206158142 is about 14358.2081751171. The cubic root of 206158142 is about 590.7451487118.

The spelling of 206158142 in words is "two hundred six million, one hundred fifty-eight thousand, one hundred forty-two".