159382243 has 2 divisors, whose sum is σ = 159382244. Its totient is φ = 159382242.

The previous prime is 159382219. The next prime is 159382283. The reversal of 159382243 is 342283951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159382243 - 2¹³ = 159374051 is a prime.

It is a super-2 number, since 2×159382243² = 50805398767422098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159382283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79691121 + 79691122.

It is an arithmetic number, because the mean of its divisors is an integer number (79691122).

Almost surely, 2^159382243 is an apocalyptic number.

159382243 is a deficient number, since it is larger than the sum of its proper divisors (1).

159382243 is an equidigital number, since it uses as much as digits as its factorization.

159382243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 159382243 is about 12624.6680352396. The cubic root of 159382243 is about 542.1839344770.

It can be divided in two parts, 15938 and 2243, that added together give a palindrome (18181).

The spelling of 159382243 in words is "one hundred fifty-nine million, three hundred eighty-two thousand, two hundred forty-three".