159974801 has 4 divisors (see below), whose sum is σ = 182828352. Its totient is φ = 137121252.

The previous prime is 159974767. The next prime is 159974807. The reversal of 159974801 is 108479951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108479951 = 4567 ⋅23753.

It is a cyclic number.

It is not a de Polignac number, because 159974801 - 2¹⁰ = 159973777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159974807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11426765 + ... + 11426778.

It is an arithmetic number, because the mean of its divisors is an integer number (45707088).

Almost surely, 2^159974801 is an apocalyptic number.

It is an amenable number.

159974801 is a deficient number, since it is larger than the sum of its proper divisors (22853551).

159974801 is an equidigital number, since it uses as much as digits as its factorization.

159974801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22853550.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 159974801 is about 12648.1145235169. The cubic root of 159974801 is about 542.8550215687.

The spelling of 159974801 in words is "one hundred fifty-nine million, nine hundred seventy-four thousand, eight hundred one".