144542 has 4 divisors (see below), whose sum is σ = 216816. Its totient is φ = 72270.

The previous prime is 144541. The next prime is 144563. The reversal of 144542 is 245441.

144542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36134 + ... + 36137.

It is an arithmetic number, because the mean of its divisors is an integer number (54204).

2¹⁴⁴⁵⁴² is an apocalyptic number.

144542 is a deficient number, since it is larger than the sum of its proper divisors (72274).

144542 is an equidigital number, since it uses as much as digits as its factorization.

144542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72273.

The product of its digits is 640, while the sum is 20.

The square root of 144542 is about 380.1867961937. The cubic root of 144542 is about 52.4805067464.

Adding to 144542 its reverse (245441), we get a palindrome (389983).

It can be divided in two parts, 144 and 542, that added together give a palindrome (686).

The spelling of 144542 in words is "one hundred forty-four thousand, five hundred forty-two".