144142 has 8 divisors (see below), whose sum is σ = 218736. Its totient is φ = 71232.

The previous prime is 144139. The next prime is 144161. The reversal of 144142 is 241441.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178 + ... + 565.

It is an arithmetic number, because the mean of its divisors is an integer number (27342).

2¹⁴⁴¹⁴² is an apocalyptic number.

144142 is a deficient number, since it is larger than the sum of its proper divisors (74594).

144142 is an equidigital number, since it uses as much as digits as its factorization.

144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its digits is 128, while the sum is 16.

The square root of 144142 is about 379.6603745455. The cubic root of 144142 is about 52.4320511721.

Adding to 144142 its reverse (241441), we get a palindrome (385583).

The spelling of 144142 in words is "one hundred forty-four thousand, one hundred forty-two", and thus it is an iban number.