144215441 has 8 divisors (see below), whose sum is σ = 149025024. Its totient is φ = 139415760.

The previous prime is 144215431. The next prime is 144215447. The reversal of 144215441 is 144512441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144215441 - 2¹⁴ = 144199057 is a prime.

It is a super-3 number, since 3×144215441³ (a number of 25 digits) contains 333 as substring.

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 144215441.

It is not an unprimeable number, because it can be changed into a prime (144215447) 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 7 ways as a sum of consecutive naturals, for example, 37766 + ... + 41408.

It is an arithmetic number, because the mean of its divisors is an integer number (18628128).

Almost surely, 2^144215441 is an apocalyptic number.

It is an amenable number.

144215441 is a deficient number, since it is larger than the sum of its proper divisors (4809583).

144215441 is a wasteful number, since it uses less digits than its factorization.

144215441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951.

The product of its digits is 2560, while the sum is 26.

The square root of 144215441 is about 12008.9733532888. The cubic root of 144215441 is about 524.4095444916.

Adding to 144215441 its reverse (144512441), we get a palindrome (288727882).

The spelling of 144215441 in words is "one hundred forty-four million, two hundred fifteen thousand, four hundred forty-one".