144347856 has 20 divisors (see below), whose sum is σ = 372898752. Its totient is φ = 48115936.

The previous prime is 144347837. The next prime is 144347869. The reversal of 144347856 is 658743441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503576 + ... + 1503671.

Almost surely, 2^144347856 is an apocalyptic number.

144347856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144347856 is an abundant number, since it is smaller than the sum of its proper divisors (228550896).

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

144347856 is a wasteful number, since it uses less digits than its factorization.

144347856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007258 (or 3007252 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 144347856 is about 12014.4852573883. The cubic root of 144347856 is about 524.5699952903.

The spelling of 144347856 in words is "one hundred forty-four million, three hundred forty-seven thousand, eight hundred fifty-six".