144660097 has 8 divisors (see below), whose sum is σ = 147515112. Its totient is φ = 141820800.

The previous prime is 144660073. The next prime is 144660137. The reversal of 144660097 is 790066441.

It can be written as a sum of positive squares in 4 ways, for example, as 83521 + 144576576 = 289^2 + 12024^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144660097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144660007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15597 + ... + 23077.

It is an arithmetic number, because the mean of its divisors is an integer number (18439389).

Almost surely, 2^144660097 is an apocalyptic number.

It is an amenable number.

144660097 is a deficient number, since it is larger than the sum of its proper divisors (2855015).

144660097 is an equidigital number, since it uses as much as digits as its factorization.

144660097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 144660097 is about 12027.4725940241. The cubic root of 144660097 is about 524.9479579555.

The spelling of 144660097 in words is "one hundred forty-four million, six hundred sixty thousand, ninety-seven".