144797422 has 32 divisors (see below), whose sum is σ = 271411200. Its totient is φ = 56285280.

The previous prime is 144797417. The next prime is 144797447. The reversal of 144797422 is 224797441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92704 + ... + 94252.

It is an arithmetic number, because the mean of its divisors is an integer number (8481600).

Almost surely, 2^144797422 is an apocalyptic number.

144797422 is a deficient number, since it is larger than the sum of its proper divisors (126613778).

144797422 is a wasteful number, since it uses less digits than its factorization.

144797422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176.

The product of its digits is 112896, while the sum is 40.

The square root of 144797422 is about 12033.1800451917. The cubic root of 144797422 is about 525.1140154489.

The spelling of 144797422 in words is "one hundred forty-four million, seven hundred ninety-seven thousand, four hundred twenty-two".