159487346 has 4 divisors (see below), whose sum is σ = 239231022. Its totient is φ = 79743672.

The previous prime is 159487271. The next prime is 159487357. The reversal of 159487346 is 643784951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643784951 = 17 ⋅37869703.

It can be written as a sum of positive squares in only one way, i.e., 159390625 + 96721 = 12625^2 + 311^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 159487346.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39871835 + ... + 39871838.

Almost surely, 2^159487346 is an apocalyptic number.

159487346 is a deficient number, since it is larger than the sum of its proper divisors (79743676).

159487346 is an equidigital number, since it uses as much as digits as its factorization.

159487346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79743675.

The product of its digits is 725760, while the sum is 47.

The square root of 159487346 is about 12628.8299537210. The cubic root of 159487346 is about 542.3030875175.

The spelling of 159487346 in words is "one hundred fifty-nine million, four hundred eighty-seven thousand, three hundred forty-six".