2528144 has 10 divisors (see below), whose sum is σ = 4898310.
Its totient is φ = 1264064.
The previous prime is 2528129. The next prime is 2528147. The reversal of 2528144 is 4418252.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 2521744 + 6400 = 1588^2 + 80^2
It is not an unprimeable number, because it can be changed into a prime (2528147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78989 + ... + 79020.
It is an arithmetic number, because the mean of its divisors is an integer number (489831).
22528144 is an apocalyptic number.
It is an amenable number.
2528144 is a deficient number, since it is larger than the sum of its proper divisors (2370166).
2528144 is a wasteful number, since it uses less digits than its factorization.
2528144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158017 (or 158011 counting only the distinct ones).
The product of its digits is 2560, while the sum is 26.
The square root of 2528144 is about 1590.0138364178.
The cubic root of 2528144 is about 136.2282786684.
The spelling of 2528144 in words is "two million, five hundred twenty-eight thousand, one hundred forty-four".