144166617 has 12 divisors (see below), whose sum is σ = 237989440. Its totient is φ = 82380888.

The previous prime is 144166597. The next prime is 144166621. The reversal of 144166617 is 716661441.

It is a happy number.

It is not a de Polignac number, because 144166617 - 2⁸ = 144166361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144166667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144117 + ... + 1144242.

Almost surely, 2^144166617 is an apocalyptic number.

It is an amenable number.

144166617 is a deficient number, since it is larger than the sum of its proper divisors (93822823).

144166617 is a wasteful number, since it uses less digits than its factorization.

144166617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288372 (or 2288369 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 144166617 is about 12006.9403679705. The cubic root of 144166617 is about 524.3503583616.

The spelling of 144166617 in words is "one hundred forty-four million, one hundred sixty-six thousand, six hundred seventeen".