158272265 has 8 divisors (see below), whose sum is σ = 193968000. Its totient is φ = 123923632.

The previous prime is 158272241. The next prime is 158272297. The reversal of 158272265 is 562272851.

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 158272265 - 2⁶ = 158272201 is a prime.

It is an unprimeable number.

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, 336515 + ... + 336984.

It is an arithmetic number, because the mean of its divisors is an integer number (24246000).

Almost surely, 2^158272265 is an apocalyptic number.

It is an amenable number.

158272265 is a deficient number, since it is larger than the sum of its proper divisors (35695735).

158272265 is an equidigital number, since it uses as much as digits as its factorization.

158272265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673551.

The product of its digits is 67200, while the sum is 38.

The square root of 158272265 is about 12580.6305485854. The cubic root of 158272265 is about 540.9223662379.

The spelling of 158272265 in words is "one hundred fifty-eight million, two hundred seventy-two thousand, two hundred sixty-five".