158840199 has 12 divisors (see below), whose sum is σ = 262212496. Its totient is φ = 90765792.

The previous prime is 158840179. The next prime is 158840203. The reversal of 158840199 is 991048851.

158840199 is a `hidden beast` number, since 158 + 8 + 401 + 99 = 666.

It is not a de Polignac number, because 158840199 - 2¹³ = 158832007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158840159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1260574 + ... + 1260699.

Almost surely, 2^158840199 is an apocalyptic number.

158840199 is a deficient number, since it is larger than the sum of its proper divisors (103372297).

158840199 is a wasteful number, since it uses less digits than its factorization.

158840199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521286 (or 2521283 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 158840199 is about 12603.1820981846. The cubic root of 158840199 is about 541.5685975461.

The spelling of 158840199 in words is "one hundred fifty-eight million, eight hundred forty thousand, one hundred ninety-nine".