158550099 has 8 divisors (see below), whose sum is σ = 211691472. Its totient is φ = 105554400.

The previous prime is 158550097. The next prime is 158550121. The reversal of 158550099 is 990055851.

It is a happy number.

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

It is not a de Polignac number, because 158550099 - 2¹ = 158550097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158550099.

It is not an unprimeable number, because it can be changed into a prime (158550097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33852 + ... + 38249.

It is an arithmetic number, because the mean of its divisors is an integer number (26461434).

Almost surely, 2^158550099 is an apocalyptic number.

158550099 is a deficient number, since it is larger than the sum of its proper divisors (53141373).

158550099 is an equidigital number, since it uses as much as digits as its factorization.

158550099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72837.

The product of its (nonzero) digits is 81000, while the sum is 42.

The square root of 158550099 is about 12591.6678402823. The cubic root of 158550099 is about 541.2386961852.

The spelling of 158550099 in words is "one hundred fifty-eight million, five hundred fifty thousand, ninety-nine".