142541 has 6 divisors (see below), whose sum is σ = 165870. Its totient is φ = 122136.

The previous prime is 142537. The next prime is 142543. The reversal of 142541 is 145241.

142541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 137641 + 4900 = 371^2 + 70^2 .

It is not a de Polignac number, because 142541 - 2² = 142537 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142541.

It is not an unprimeable number, because it can be changed into a prime (142543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1406 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (27645).

2¹⁴²⁵⁴¹ is an apocalyptic number.

It is an amenable number.

142541 is a deficient number, since it is larger than the sum of its proper divisors (23329).

142541 is an equidigital number, since it uses as much as digits as its factorization.

142541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923 (or 2916 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 142541 is about 377.5460236845. The cubic root of 142541 is about 52.2372052644.

Adding to 142541 its reverse (145241), we get a palindrome (287782).

The spelling of 142541 in words is "one hundred forty-two thousand, five hundred forty-one".