141531 has 16 divisors (see below), whose sum is σ = 215040. Its totient is φ = 82080.

The previous prime is 141529. The next prime is 141539. The reversal of 141531 is 135141.

141531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 141531 - 2¹ = 141529 is a prime.

It is a super-2 number, since 2×141531² = 40062047922, which contains 22 as substring.

141531 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 141531.

It is not an unprimeable number, because it can be changed into a prime (141539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (13440).

2¹⁴¹⁵³¹ is an apocalyptic number.

141531 is a deficient number, since it is larger than the sum of its proper divisors (73509).

141531 is a wasteful number, since it uses less digits than its factorization.

141531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226.

The product of its digits is 60, while the sum is 15.

The square root of 141531 is about 376.2060605572. The cubic root of 141531 is about 52.1135339869.

Adding to 141531 its reverse (135141), we get a palindrome (276672).

The spelling of 141531 in words is "one hundred forty-one thousand, five hundred thirty-one".