144709241 has 4 divisors (see below), whose sum is σ = 147162000. Its totient is φ = 142256484.

The previous prime is 144709237. The next prime is 144709249. The reversal of 144709241 is 142907441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142907441 = 23 ⋅6213367.

It is a cyclic number.

It is not a de Polignac number, because 144709241 - 2² = 144709237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144709198 and 144709207.

It is not an unprimeable number, because it can be changed into a prime (144709249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1226291 + ... + 1226408.

It is an arithmetic number, because the mean of its divisors is an integer number (36790500).

Almost surely, 2^144709241 is an apocalyptic number.

It is an amenable number.

144709241 is a deficient number, since it is larger than the sum of its proper divisors (2452759).

144709241 is an equidigital number, since it uses as much as digits as its factorization.

144709241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452758.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 144709241 is about 12029.5154100238. The cubic root of 144709241 is about 525.0073964188.

The spelling of 144709241 in words is "one hundred forty-four million, seven hundred nine thousand, two hundred forty-one".