144442043 has 4 divisors (see below), whose sum is σ = 148345920. Its totient is φ = 140538168.

The previous prime is 144442003. The next prime is 144442049. The reversal of 144442043 is 340244441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 144442043 - 2¹⁰ = 144441019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144442049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951883 + ... + 1951956.

It is an arithmetic number, because the mean of its divisors is an integer number (37086480).

Almost surely, 2^144442043 is an apocalyptic number.

144442043 is a deficient number, since it is larger than the sum of its proper divisors (3903877).

144442043 is an equidigital number, since it uses as much as digits as its factorization.

144442043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903876.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 144442043 is about 12018.4043450035. The cubic root of 144442043 is about 524.6840644868.

Adding to 144442043 its reverse (340244441), we get a palindrome (484686484).

The spelling of 144442043 in words is "one hundred forty-four million, four hundred forty-two thousand, forty-three".