141965 has 4 divisors (see below), whose sum is σ = 170364. Its totient is φ = 113568.

The previous prime is 141961. The next prime is 141971. The reversal of 141965 is 569141.

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 104329 + 37636 = 323^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 141965 - 2² = 141961 is a prime.

It is a super-2 number, since 2×141965² = 40308122450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141961) 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, 14192 + ... + 14201.

It is an arithmetic number, because the mean of its divisors is an integer number (42591).

2¹⁴¹⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

141965 is a deficient number, since it is larger than the sum of its proper divisors (28399).

141965 is an equidigital number, since it uses as much as digits as its factorization.

141965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28398.

The product of its digits is 1080, while the sum is 26.

The square root of 141965 is about 376.7824305883. The cubic root of 141965 is about 52.1667477580.

It can be divided in two parts, 1419 and 65, that multiplied together give a triangular number (92235 = T₄₂₉).

The spelling of 141965 in words is "one hundred forty-one thousand, nine hundred sixty-five".