159538515 has 8 divisors (see below), whose sum is σ = 255261648. Its totient is φ = 85087200.

The previous prime is 159538453. The next prime is 159538531. The reversal of 159538515 is 515835951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159538515 - 2¹⁸ = 159276371 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5317936 + ... + 5317965.

It is an arithmetic number, because the mean of its divisors is an integer number (31907706).

Almost surely, 2^159538515 is an apocalyptic number.

159538515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159538515 is a deficient number, since it is larger than the sum of its proper divisors (95723133).

159538515 is a wasteful number, since it uses less digits than its factorization.

159538515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10635909.

The product of its digits is 135000, while the sum is 42.

The square root of 159538515 is about 12630.8556717271. The cubic root of 159538515 is about 542.3610777809.

The spelling of 159538515 in words is "one hundred fifty-nine million, five hundred thirty-eight thousand, five hundred fifteen".