159490 has 16 divisors (see below), whose sum is σ = 294840. Its totient is φ = 62080.

The previous prime is 159473. The next prime is 159491. The reversal of 159490 is 94951.

It can be written as a sum of positive squares in 4 ways, for example, as 64009 + 95481 = 253^2 + 309^2 .

It is an Ulam number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (159491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216 + ... + 604.

2¹⁵⁹⁴⁹⁰ is an apocalyptic number.

159490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159490 is a deficient number, since it is larger than the sum of its proper divisors (135350).

159490 is a wasteful number, since it uses less digits than its factorization.

159490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 159490 is about 399.3619911809. The cubic root of 159490 is about 54.2306095623.

The spelling of 159490 in words is "one hundred fifty-nine thousand, four hundred ninety".