159449 has 4 divisors (see below), whose sum is σ = 163380. Its totient is φ = 155520.

The previous prime is 159437. The next prime is 159457. The reversal of 159449 is 944951.

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 53824 + 105625 = 232^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 159449 - 2⁸ = 159193 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 159449.

It is not an unprimeable number, because it can be changed into a prime (159469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904 + ... + 1985.

It is an arithmetic number, because the mean of its divisors is an integer number (40845).

2¹⁵⁹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

159449 is a deficient number, since it is larger than the sum of its proper divisors (3931).

159449 is an equidigital number, since it uses as much as digits as its factorization.

159449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930.

The product of its digits is 6480, while the sum is 32.

The square root of 159449 is about 399.3106560061. The cubic root of 159449 is about 54.2259621538.

The spelling of 159449 in words is "one hundred fifty-nine thousand, four hundred forty-nine".