144244141 has 4 divisors (see below), whose sum is σ = 145731292. Its totient is φ = 142756992.

The previous prime is 144244129. The next prime is 144244151. The reversal of 144244141 is 141442441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35354916 + 108889225 = 5946^2 + 10435^2 .

It is a cyclic number.

It is not a de Polignac number, because 144244141 - 2⁷ = 144244013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144244151) 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, 743430 + ... + 743623.

It is an arithmetic number, because the mean of its divisors is an integer number (36432823).

Almost surely, 2^144244141 is an apocalyptic number.

It is an amenable number.

144244141 is a deficient number, since it is larger than the sum of its proper divisors (1487151).

144244141 is an equidigital number, since it uses as much as digits as its factorization.

144244141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487150.

The product of its digits is 2048, while the sum is 25.

The square root of 144244141 is about 12010.1682336260. The cubic root of 144244141 is about 524.4443293836. Note that the first 3 decimals are identical.

Adding to 144244141 its reverse (141442441), we get a palindrome (285686582).

The spelling of 144244141 in words is "one hundred forty-four million, two hundred forty-four thousand, one hundred forty-one".