1224300144 has 40 divisors (see below), whose sum is σ = 3207330432. Its totient is φ = 402351040.

The previous prime is 1224300107. The next prime is 1224300149. The reversal of 1224300144 is 4410034221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224300144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224300149) 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, 176214 + ... + 183029.

Almost surely, 2^1224300144 is an apocalyptic number.

It is an amenable number.

1224300144 is an abundant number, since it is smaller than the sum of its proper divisors (1983030288).

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

1224300144 is a wasteful number, since it uses less digits than its factorization.

1224300144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359325 (or 359319 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1224300144 is about 34990.0006287511. Note that the first 3 decimals coincide. The cubic root of 1224300144 is about 1069.7836765352.

Adding to 1224300144 its reverse (4410034221), we get a palindrome (5634334365).

The spelling of 1224300144 in words is "one billion, two hundred twenty-four million, three hundred thousand, one hundred forty-four".