142401 has 8 divisors (see below), whose sum is σ = 217024. Its totient is φ = 81360.

The previous prime is 142391. The next prime is 142403. The reversal of 142401 is 104241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142401 - 2⁵ = 142369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142401.

It is not an unprimeable number, because it can be changed into a prime (142403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3370 + ... + 3411.

It is an arithmetic number, because the mean of its divisors is an integer number (27128).

2¹⁴²⁴⁰¹ is an apocalyptic number.

It is an amenable number.

142401 is a deficient number, since it is larger than the sum of its proper divisors (74623).

142401 is an equidigital number, since it uses as much as digits as its factorization.

142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 142401 is about 377.3605702773. The cubic root of 142401 is about 52.2200976618.

Adding to 142401 its reverse (104241), we get a palindrome (246642).

It can be divided in two parts, 14240 and 1, that added together give a palindrome (14241).

The spelling of 142401 in words is "one hundred forty-two thousand, four hundred one", and thus it is an iban number.