144963817 has 8 divisors (see below), whose sum is σ = 149096192. Its totient is φ = 140842800.

The previous prime is 144963809. The next prime is 144963827. The reversal of 144963817 is 718369441.

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 144963817 - 2³ = 144963809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144963827) 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, 27592 + ... + 32422.

It is an arithmetic number, because the mean of its divisors is an integer number (18637024).

Almost surely, 2^144963817 is an apocalyptic number.

It is an amenable number.

144963817 is a deficient number, since it is larger than the sum of its proper divisors (4132375).

144963817 is an equidigital number, since it uses as much as digits as its factorization.

144963817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679.

The product of its digits is 145152, while the sum is 43.

The square root of 144963817 is about 12040.0920677543. The cubic root of 144963817 is about 525.3150846323.

The spelling of 144963817 in words is "one hundred forty-four million, nine hundred sixty-three thousand, eight hundred seventeen".