158015099 has 4 divisors (see below), whose sum is σ = 172380120. Its totient is φ = 143650080.

The previous prime is 158015087. The next prime is 158015111. The reversal of 158015099 is 990510851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990510851 = 11 ⋅90046441.

It is an interprime number because it is at equal distance from previous prime (158015087) and next prime (158015111).

It is a cyclic number.

It is not a de Polignac number, because 158015099 - 2¹² = 158011003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158015899) 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 3 ways as a sum of consecutive naturals, for example, 7182494 + ... + 7182515.

It is an arithmetic number, because the mean of its divisors is an integer number (43095030).

Almost surely, 2^158015099 is an apocalyptic number.

158015099 is a deficient number, since it is larger than the sum of its proper divisors (14365021).

158015099 is a wasteful number, since it uses less digits than its factorization.

158015099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14365020.

The product of its (nonzero) digits is 16200, while the sum is 38.

The square root of 158015099 is about 12570.4056815999. The cubic root of 158015099 is about 540.6292379144.

The spelling of 158015099 in words is "one hundred fifty-eight million, fifteen thousand, ninety-nine".