159147499 has 16 divisors (see below), whose sum is σ = 189278208. Its totient is φ = 130976352.

The previous prime is 159147497. The next prime is 159147517. The reversal of 159147499 is 994741951.

It is a cyclic number.

It is not a de Polignac number, because 159147499 - 2¹ = 159147497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159147491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12874 + ... + 22000.

It is an arithmetic number, because the mean of its divisors is an integer number (11829888).

Almost surely, 2^159147499 is an apocalyptic number.

159147499 is a deficient number, since it is larger than the sum of its proper divisors (30130709).

159147499 is an equidigital number, since it uses as much as digits as its factorization.

159147499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234.

The product of its digits is 408240, while the sum is 49.

The square root of 159147499 is about 12615.3675729247. The cubic root of 159147499 is about 541.9176209089.

The spelling of 159147499 in words is "one hundred fifty-nine million, one hundred forty-seven thousand, four hundred ninety-nine".