159382273 has 4 divisors (see below), whose sum is σ = 163689940. Its totient is φ = 155074608.

The previous prime is 159382243. The next prime is 159382283. The reversal of 159382273 is 372283951.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59721984 + 99660289 = 7728^2 + 9983^2 .

It is a cyclic number.

It is not a de Polignac number, because 159382273 - 2²⁵ = 125827841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159382243) 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, 2153778 + ... + 2153851.

It is an arithmetic number, because the mean of its divisors is an integer number (40922485).

Almost surely, 2^159382273 is an apocalyptic number.

It is an amenable number.

159382273 is a deficient number, since it is larger than the sum of its proper divisors (4307667).

159382273 is an equidigital number, since it uses as much as digits as its factorization.

159382273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307666.

The product of its digits is 90720, while the sum is 40.

The square root of 159382273 is about 12624.6692233896. The cubic root of 159382273 is about 542.1839684949.

The spelling of 159382273 in words is "one hundred fifty-nine million, three hundred eighty-two thousand, two hundred seventy-three".