144281856 has 144 divisors (see below), whose sum is σ = 417662784. Its totient is φ = 44040192.

The previous prime is 144281849. The next prime is 144281867. The reversal of 144281856 is 658182441.

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, 561280 + ... + 561536.

It is an arithmetic number, because the mean of its divisors is an integer number (2900436).

Almost surely, 2^144281856 is an apocalyptic number.

144281856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144281856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208831392).

144281856 is an abundant number, since it is smaller than the sum of its proper divisors (273380928).

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

144281856 is a wasteful number, since it uses less digits than its factorization.

144281856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 322 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 144281856 is about 12011.7382588866. The cubic root of 144281856 is about 524.4900335953.

The spelling of 144281856 in words is "one hundred forty-four million, two hundred eighty-one thousand, eight hundred fifty-six".