144031217 has 8 divisors (see below), whose sum is σ = 157272192. Its totient is φ = 130814800.

The previous prime is 144031207. The next prime is 144031219. The reversal of 144031217 is 712130441.

It is a happy number.

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 144031217 - 2⁸ = 144030961 is a prime.

It is a super-4 number, since 4×144031217⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144031192 and 144031201.

It is not an unprimeable number, because it can be changed into a prime (144031219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7448 + ... + 18534.

It is an arithmetic number, because the mean of its divisors is an integer number (19659024).

Almost surely, 2^144031217 is an apocalyptic number.

It is an amenable number.

144031217 is a deficient number, since it is larger than the sum of its proper divisors (13240975).

144031217 is a wasteful number, since it uses less digits than its factorization.

144031217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12279.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 144031217 is about 12001.3006378475. The cubic root of 144031217 is about 524.1861518848.

Adding to 144031217 its reverse (712130441), we get a palindrome (856161658).

The spelling of 144031217 in words is "one hundred forty-four million, thirty-one thousand, two hundred seventeen".