144003197 has 4 divisors (see below), whose sum is σ = 155080380. Its totient is φ = 132926016.

The previous prime is 144003187. The next prime is 144003217. The reversal of 144003197 is 791300441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39677401 + 104325796 = 6299^2 + 10214^2 .

It is a cyclic number.

It is not a de Polignac number, because 144003197 - 2⁸ = 144002941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144003137) 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 3 ways as a sum of consecutive naturals, for example, 5538572 + ... + 5538597.

It is an arithmetic number, because the mean of its divisors is an integer number (38770095).

Almost surely, 2^144003197 is an apocalyptic number.

It is an amenable number.

144003197 is a deficient number, since it is larger than the sum of its proper divisors (11077183).

144003197 is a wasteful number, since it uses less digits than its factorization.

144003197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11077182.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 144003197 is about 12000.1332075940. The cubic root of 144003197 is about 524.1521577530.

The spelling of 144003197 in words is "one hundred forty-four million, three thousand, one hundred ninety-seven".