2559144 has 32 divisors (see below), whose sum is σ = 7312320. Its totient is φ = 731136.

The previous prime is 2559131. The next prime is 2559149. The reversal of 2559144 is 4419552.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2559149) 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, 7449 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (228510).

2^2559144 is an apocalyptic number.

2559144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2559144 is an abundant number, since it is smaller than the sum of its proper divisors (4753176).

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

2559144 is a wasteful number, since it uses less digits than its factorization.

2559144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15249 (or 15245 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 2559144 is about 1599.7324776349. The cubic root of 2559144 is about 136.7828267489.

It can be divided in two parts, 255 and 9144, that multiplied together give a triangular number (2331720 = T₂₁₅₉).

The spelling of 2559144 in words is "two million, five hundred fifty-nine thousand, one hundred forty-four".