144627717 has 16 divisors (see below), whose sum is σ = 208201280. Its totient is φ = 88774272.

The previous prime is 144627697. The next prime is 144627719. The reversal of 144627717 is 717726441.

It is not a de Polignac number, because 144627717 - 2⁷ = 144627589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144627719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11418 + ... + 20484.

It is an arithmetic number, because the mean of its divisors is an integer number (13012580).

Almost surely, 2^144627717 is an apocalyptic number.

It is an amenable number.

144627717 is a deficient number, since it is larger than the sum of its proper divisors (63573563).

144627717 is a wasteful number, since it uses less digits than its factorization.

144627717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9492.

The product of its digits is 65856, while the sum is 39.

The square root of 144627717 is about 12026.1264337275. The cubic root of 144627717 is about 524.9087877820.

The spelling of 144627717 in words is "one hundred forty-four million, six hundred twenty-seven thousand, seven hundred seventeen".