2880145 has 4 divisors (see below), whose sum is σ = 3456180. Its totient is φ = 2304112.

The previous prime is 2880131. The next prime is 2880149. The reversal of 2880145 is 5410882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5410882 = 2 ⋅2705441.

It can be written as a sum of positive squares in 2 ways, for example, as 332929 + 2547216 = 577^2 + 1596^2 .

It is a cyclic number.

It is not a de Polignac number, because 2880145 - 2²¹ = 782993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2880149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288010 + ... + 288019.

It is an arithmetic number, because the mean of its divisors is an integer number (864045).

2^2880145 is an apocalyptic number.

It is an amenable number.

2880145 is a deficient number, since it is larger than the sum of its proper divisors (576035).

2880145 is an equidigital number, since it uses as much as digits as its factorization.

2880145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576034.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 2880145 is about 1697.0989953447. The cubic root of 2880145 is about 142.2781198688.

It can be divided in two parts, 2880 and 145, that added together give a square (3025 = 55²).

The spelling of 2880145 in words is "two million, eight hundred eighty thousand, one hundred forty-five".