2249145 has 24 divisors (see below), whose sum is σ = 3936192. Its totient is φ = 1188000.

The previous prime is 2249141. The next prime is 2249171. The reversal of 2249145 is 5419422.

It is not a de Polignac number, because 2249145 - 2² = 2249141 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁵ + 4⁵ + 9² + 1 + 4⁹ + 5⁹ .

2249145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2249141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6630 + ... + 6960.

It is an arithmetic number, because the mean of its divisors is an integer number (164008).

2^2249145 is an apocalyptic number.

It is an amenable number.

2249145 is a deficient number, since it is larger than the sum of its proper divisors (1687047).

2249145 is a wasteful number, since it uses less digits than its factorization.

2249145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 490 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2249145 is about 1499.7149729199. The cubic root of 2249145 is about 131.0204695788.

The spelling of 2249145 in words is "two million, two hundred forty-nine thousand, one hundred forty-five".