141605 has 8 divisors (see below), whose sum is σ = 172032. Its totient is φ = 111888.

The previous prime is 141601. The next prime is 141613. The reversal of 141605 is 506141.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141605 - 2² = 141601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524 + ... + 746.

It is an arithmetic number, because the mean of its divisors is an integer number (21504).

2¹⁴¹⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

141605 is a deficient number, since it is larger than the sum of its proper divisors (30427).

141605 is a wasteful number, since it uses less digits than its factorization.

141605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 141605 is about 376.3043980609. The cubic root of 141605 is about 52.1226149882.

Adding to 141605 its reverse (506141), we get a palindrome (647746).

The spelling of 141605 in words is "one hundred forty-one thousand, six hundred five".