2280149 has 4 divisors (see below), whose sum is σ = 2286636. Its totient is φ = 2273664.

The previous prime is 2280127. The next prime is 2280163. The reversal of 2280149 is 9410822.

2280149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 1030225 = 1118^2 + 1015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2280149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280169) by changing a digit.

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, 2684 + ... + 3429.

It is an arithmetic number, because the mean of its divisors is an integer number (571659).

2^2280149 is an apocalyptic number.

It is an amenable number.

2280149 is a deficient number, since it is larger than the sum of its proper divisors (6487).

2280149 is an equidigital number, since it uses as much as digits as its factorization.

2280149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2280149 is about 1510.0162250784. The cubic root of 2280149 is about 131.6197543354.

It can be divided in two parts, 22801 and 49, that multiplied together give a square (1117249 = 1057²).

The spelling of 2280149 in words is "two million, two hundred eighty thousand, one hundred forty-nine".