159847538 has 4 divisors (see below), whose sum is σ = 239771310. Its totient is φ = 79923768.

The previous prime is 159847487. The next prime is 159847547. The reversal of 159847538 is 835748951.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80156209 + 79691329 = 8953^2 + 8927^2 .

It is a super-2 number, since 2×159847538² = 51102470809322888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39961883 + ... + 39961886.

Almost surely, 2^159847538 is an apocalyptic number.

159847538 is a deficient number, since it is larger than the sum of its proper divisors (79923772).

159847538 is an equidigital number, since it uses as much as digits as its factorization.

159847538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79923771.

The product of its digits is 1209600, while the sum is 50.

The square root of 159847538 is about 12643.0826146158. The cubic root of 159847538 is about 542.7110328783.

The spelling of 159847538 in words is "one hundred fifty-nine million, eight hundred forty-seven thousand, five hundred thirty-eight".