159802 has 4 divisors (see below), whose sum is σ = 239706. Its totient is φ = 79900.

The previous prime is 159799. The next prime is 159811. The reversal of 159802 is 208951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208951 = 223 ⋅937.

It can be written as a sum of positive squares in only one way, i.e., 145161 + 14641 = 381^2 + 121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39949 + ... + 39952.

2¹⁵⁹⁸⁰² is an apocalyptic number.

159802 is a deficient number, since it is larger than the sum of its proper divisors (79904).

159802 is an equidigital number, since it uses as much as digits as its factorization.

159802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79903.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 159802 is about 399.7524233823. The cubic root of 159802 is about 54.2659491427.

It can be divided in two parts, 159 and 802, that added together give a square (961 = 31²).

The spelling of 159802 in words is "one hundred fifty-nine thousand, eight hundred two".