159554 has 4 divisors (see below), whose sum is σ = 239334. Its totient is φ = 79776.

The previous prime is 159553. The next prime is 159563. The reversal of 159554 is 455951.

159554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455951 = 37 ⋅12323.

It can be written as a sum of positive squares in only one way, i.e., 104329 + 55225 = 323^2 + 235^2 .

It is not an unprimeable number, because it can be changed into a prime (159553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39887 + ... + 39890.

2¹⁵⁹⁵⁵⁴ is an apocalyptic number.

159554 is a deficient number, since it is larger than the sum of its proper divisors (79780).

159554 is an equidigital number, since it uses as much as digits as its factorization.

159554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79779.

The product of its digits is 4500, while the sum is 29.

The square root of 159554 is about 399.4421109498. The cubic root of 159554 is about 54.2378624619.

The spelling of 159554 in words is "one hundred fifty-nine thousand, five hundred fifty-four".