144863456 has 12 divisors (see below), whose sum is σ = 285199992. Its totient is φ = 72431712.

The previous prime is 144863441. The next prime is 144863503. The reversal of 144863456 is 654368441.

It is a happy number.

144863456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2263460 + ... + 2263523.

It is an arithmetic number, because the mean of its divisors is an integer number (23766666).

Almost surely, 2^144863456 is an apocalyptic number.

144863456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144863456 is a deficient number, since it is larger than the sum of its proper divisors (140336536).

144863456 is an equidigital number, since it uses as much as digits as its factorization.

144863456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526993 (or 4526985 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 144863456 is about 12035.9235624027. The cubic root of 144863456 is about 525.1938283548.

The spelling of 144863456 in words is "one hundred forty-four million, eight hundred sixty-three thousand, four hundred fifty-six".