40141 has 4 divisors (see below), whose sum is σ = 40572. Its totient is φ = 39712.

The previous prime is 40129. The next prime is 40151. The reversal of 40141 is 14104.

40141 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 32041 + 8100 = 179^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 40141 - 2⁷ = 40013 is a prime.

It is a super-2 number, since 2×40141² = 3222599762, which contains 22 as substring.

It is a Duffinian number.

40141 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40111) 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, 10 + ... + 283.

It is an arithmetic number, because the mean of its divisors is an integer number (10143).

2⁴⁰¹⁴¹ is an apocalyptic number.

It is an amenable number.

40141 is a deficient number, since it is larger than the sum of its proper divisors (431).

40141 is a wasteful number, since it uses less digits than its factorization.

40141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40141 is about 200.3521899057. The cubic root of 40141 is about 34.2396562438.

Adding to 40141 its reverse (14104), we get a palindrome (54245).

It can be divided in two parts, 40 and 141, that added together give a palindrome (181).

The spelling of 40141 in words is "forty thousand, one hundred forty-one", and thus it is an iban number.