144120417 has 24 divisors (see below), whose sum is σ = 226885536. Its totient is φ = 81119808.

The previous prime is 144120413. The next prime is 144120433. The reversal of 144120417 is 714021441.

It is not a de Polignac number, because 144120417 - 2² = 144120413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144120413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2533 + ... + 17165.

It is an arithmetic number, because the mean of its divisors is an integer number (9453564).

Almost surely, 2^144120417 is an apocalyptic number.

It is an amenable number.

144120417 is a deficient number, since it is larger than the sum of its proper divisors (82765119).

144120417 is a wasteful number, since it uses less digits than its factorization.

144120417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14717 (or 14710 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 144120417 is about 12005.0163265195. The cubic root of 144120417 is about 524.2943408284.

Adding to 144120417 its reverse (714021441), we get a palindrome (858141858).

The spelling of 144120417 in words is "one hundred forty-four million, one hundred twenty thousand, four hundred seventeen".