159499 has 2 divisors, whose sum is σ = 159500. Its totient is φ = 159498.

The previous prime is 159491. The next prime is 159503. The reversal of 159499 is 994951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159499 - 2³ = 159491 is a prime.

159499 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (159491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79749 + 79750.

It is an arithmetic number, because the mean of its divisors is an integer number (79750).

2¹⁵⁹⁴⁹⁹ is an apocalyptic number.

159499 is a deficient number, since it is larger than the sum of its proper divisors (1).

159499 is an equidigital number, since it uses as much as digits as its factorization.

159499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 37.

The square root of 159499 is about 399.3732589946. The cubic root of 159499 is about 54.2316296186.

The spelling of 159499 in words is "one hundred fifty-nine thousand, four hundred ninety-nine".