158097215 has 8 divisors (see below), whose sum is σ = 189785760. Its totient is φ = 126431712.

The previous prime is 158097211. The next prime is 158097221. The reversal of 158097215 is 512790851.

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

It is a cyclic number.

It is not a de Polignac number, because 158097215 - 2² = 158097211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158097211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19097 + ... + 26093.

It is an arithmetic number, because the mean of its divisors is an integer number (23723220).

Almost surely, 2^158097215 is an apocalyptic number.

158097215 is a deficient number, since it is larger than the sum of its proper divisors (31688545).

158097215 is an equidigital number, since it uses as much as digits as its factorization.

158097215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11521.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 158097215 is about 12573.6715004011. The cubic root of 158097215 is about 540.7228716301.

The spelling of 158097215 in words is "one hundred fifty-eight million, ninety-seven thousand, two hundred fifteen".