159413645 has 4 divisors (see below), whose sum is σ = 191296380. Its totient is φ = 127530912.

The previous prime is 159413633. The next prime is 159413651. The reversal of 159413645 is 546314951.

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 109767529 + 49646116 = 10477^2 + 7046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159413645 is a prime.

It is a super-3 number, since 3×159413645³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 159413599 and 159413608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15941360 + ... + 15941369.

It is an arithmetic number, because the mean of its divisors is an integer number (47824095).

Almost surely, 2^159413645 is an apocalyptic number.

It is an amenable number.

159413645 is a deficient number, since it is larger than the sum of its proper divisors (31882735).

159413645 is an equidigital number, since it uses as much as digits as its factorization.

159413645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31882734.

The product of its digits is 64800, while the sum is 38.

The square root of 159413645 is about 12625.9116502532. The cubic root of 159413645 is about 542.2195397439.

The spelling of 159413645 in words is "one hundred fifty-nine million, four hundred thirteen thousand, six hundred forty-five".