142641 has 12 divisors (see below), whose sum is σ = 214032. Its totient is φ = 94932.

The previous prime is 142619. The next prime is 142657. The reversal of 142641 is 146241.

It is not a de Polignac number, because 142641 - 2⁵ = 142609 is a prime.

It is a Curzon number.

142641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (142601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (17836).

2¹⁴²⁶⁴¹ is an apocalyptic number.

It is an amenable number.

142641 is a deficient number, since it is larger than the sum of its proper divisors (71391).

142641 is an frugal number, since it uses more digits than its factorization.

142641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 590 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 142641 is about 377.6784346504. The cubic root of 142641 is about 52.2494181234.

Adding to 142641 its reverse (146241), we get a palindrome (288882).

Subtracting 142641 from its reverse (146241), we obtain a square (3600 = 60²).

The spelling of 142641 in words is "one hundred forty-two thousand, six hundred forty-one".