141745 has 4 divisors (see below), whose sum is σ = 170100. Its totient is φ = 113392.

The previous prime is 141731. The next prime is 141761. The reversal of 141745 is 547141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547141 = 7 ⋅78163.

It can be written as a sum of positive squares in 2 ways, for example, as 23409 + 118336 = 153^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 141745 - 2⁹ = 141233 is a prime.

It is an Ulam 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, 14170 + ... + 14179.

It is an arithmetic number, because the mean of its divisors is an integer number (42525).

2¹⁴¹⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

141745 is a deficient number, since it is larger than the sum of its proper divisors (28355).

141745 is an equidigital number, since it uses as much as digits as its factorization.

141745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28354.

The product of its digits is 560, while the sum is 22.

The square root of 141745 is about 376.4903717228. The cubic root of 141745 is about 52.1397866102.

Adding to 141745 its reverse (547141), we get a palindrome (688886).

The spelling of 141745 in words is "one hundred forty-one thousand, seven hundred forty-five".