144712241 has 4 divisors (see below), whose sum is σ = 144765684. Its totient is φ = 144658800.

The previous prime is 144712237. The next prime is 144712277. The reversal of 144712241 is 142217441.

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 90174016 + 54538225 = 9496^2 + 7385^2 .

It is a cyclic number.

It is not a de Polignac number, because 144712241 - 2² = 144712237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144712241.

It is not an unprimeable number, because it can be changed into a prime (144712231) 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, 22430 + ... + 28151.

It is an arithmetic number, because the mean of its divisors is an integer number (36191421).

Almost surely, 2^144712241 is an apocalyptic number.

It is an amenable number.

144712241 is a deficient number, since it is larger than the sum of its proper divisors (53443).

144712241 is an equidigital number, since it uses as much as digits as its factorization.

144712241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53442.

The product of its digits is 1792, while the sum is 26.

The square root of 144712241 is about 12029.6401026797. The cubic root of 144712241 is about 525.0110244095.

Adding to 144712241 its reverse (142217441), we get a palindrome (286929682).

The spelling of 144712241 in words is "one hundred forty-four million, seven hundred twelve thousand, two hundred forty-one".