141659617 has 4 divisors (see below), whose sum is σ = 154537776. Its totient is φ = 128781460.

The previous prime is 141659603. The next prime is 141659621. The reversal of 141659617 is 716956141.

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.

It is a cyclic number.

It is not a de Polignac number, because 141659617 - 2²³ = 133271009 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141659617.

It is not an unprimeable number, because it can be changed into a prime (141659647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6439063 + ... + 6439084.

It is an arithmetic number, because the mean of its divisors is an integer number (38634444).

Almost surely, 2^141659617 is an apocalyptic number.

It is an amenable number.

141659617 is a deficient number, since it is larger than the sum of its proper divisors (12878159).

141659617 is a wasteful number, since it uses less digits than its factorization.

141659617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878158.

The product of its digits is 45360, while the sum is 40.

The square root of 141659617 is about 11902.0845653188. The cubic root of 141659617 is about 521.2931535179.

The spelling of 141659617 in words is "one hundred forty-one million, six hundred fifty-nine thousand, six hundred seventeen".