159408001 has 4 divisors (see below), whose sum is σ = 159444292. Its totient is φ = 159371712.

The previous prime is 159407977. The next prime is 159408019. The reversal of 159408001 is 100804951.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48316401 + 111091600 = 6951^2 + 10540^2 .

It is a cyclic number.

It is not a de Polignac number, because 159408001 - 2¹⁵ = 159375233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159408061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10476 + ... + 20701.

It is an arithmetic number, because the mean of its divisors is an integer number (39861073).

Almost surely, 2^159408001 is an apocalyptic number.

It is an amenable number.

159408001 is a deficient number, since it is larger than the sum of its proper divisors (36291).

159408001 is an equidigital number, since it uses as much as digits as its factorization.

159408001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36290.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 159408001 is about 12625.6881396619. The cubic root of 159408001 is about 542.2131406196.

The spelling of 159408001 in words is "one hundred fifty-nine million, four hundred eight thousand, one".