144797244 has 24 divisors (see below), whose sum is σ = 338096640. Its totient is φ = 48231984.

The previous prime is 144797239. The next prime is 144797267. The reversal of 144797244 is 442797441.

It is a junction number, because it is equal to n+sod(n) for n = 144797196 and 144797205.

It is a congruent number.

It is an unprimeable number.

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, 18567 + ... + 25185.

It is an arithmetic number, because the mean of its divisors is an integer number (14087360).

Almost surely, 2^144797244 is an apocalyptic number.

It is an amenable number.

144797244 is an abundant number, since it is smaller than the sum of its proper divisors (193299396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144797244 is a wasteful number, since it uses less digits than its factorization.

144797244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449 (or 8447 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 144797244 is about 12033.1726489733. The cubic root of 144797244 is about 525.1138002739.

The spelling of 144797244 in words is "one hundred forty-four million, seven hundred ninety-seven thousand, two hundred forty-four".