144612917 has 8 divisors (see below), whose sum is σ = 145770240. Its totient is φ = 143460720.

The previous prime is 144612901. The next prime is 144612947. The reversal of 144612917 is 719216441.

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 144612917 - 2⁴ = 144612901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144612947) 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, 70259 + ... + 72287.

It is an arithmetic number, because the mean of its divisors is an integer number (18221280).

Almost surely, 2^144612917 is an apocalyptic number.

It is an amenable number.

144612917 is a deficient number, since it is larger than the sum of its proper divisors (1157323).

144612917 is a wasteful number, since it uses less digits than its factorization.

144612917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563.

The product of its digits is 12096, while the sum is 35.

The square root of 144612917 is about 12025.5110910098. The cubic root of 144612917 is about 524.8908822352.

The spelling of 144612917 in words is "one hundred forty-four million, six hundred twelve thousand, nine hundred seventeen".