159044797 has 4 divisors (see below), whose sum is σ = 159412540. Its totient is φ = 158677056.

The previous prime is 159044783. The next prime is 159044819. The reversal of 159044797 is 797440951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 797440951 = 211 ⋅3779341.

It can be written as a sum of positive squares in 2 ways, for example, as 5433561 + 153611236 = 2331^2 + 12394^2 .

It is a cyclic number.

It is not a de Polignac number, because 159044797 - 2²⁷ = 24827069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159044737) 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 3 ways as a sum of consecutive naturals, for example, 183222 + ... + 184087.

It is an arithmetic number, because the mean of its divisors is an integer number (39853135).

Almost surely, 2^159044797 is an apocalyptic number.

It is an amenable number.

159044797 is a deficient number, since it is larger than the sum of its proper divisors (367743).

159044797 is an equidigital number, since it uses as much as digits as its factorization.

159044797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367742.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 159044797 is about 12611.2964044146. The cubic root of 159044797 is about 541.8010246690.

The spelling of 159044797 in words is "one hundred fifty-nine million, forty-four thousand, seven hundred ninety-seven".