144243313044400 has 60 divisors (see below), whose sum is σ = 347239038145000. Its totient is φ = 57581699235840.

The previous prime is 144243313044317. The next prime is 144243313044407. The reversal of 144243313044400 is 4440313342441.

It is a happy number.

It is a super-2 number, since 2×144243313044400² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144243313044400.

It is not an unprimeable number, because it can be changed into a prime (144243313044407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361131345 + ... + 361530544.

Almost surely, 2^{144243313044400} is an apocalyptic number.

144243313044400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144243313044400 is an abundant number, since it is smaller than the sum of its proper divisors (202995725100600).

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

144243313044400 is a wasteful number, since it uses less digits than its factorization.

144243313044400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722662406 (or 722662395 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 144243313044400 its reverse (4440313342441), we get a palindrome (148683626386841).

The spelling of 144243313044400 in words is "one hundred forty-four trillion, two hundred forty-three billion, three hundred thirteen million, forty-four thousand, four hundred".