2252145 has 32 divisors (see below), whose sum is σ = 4181760. Its totient is φ = 1013760.

The previous prime is 2252113. The next prime is 2252149. The reversal of 2252145 is 5412522.

It is a happy number.

2252145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2252145 - 2⁵ = 2252113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2252149) 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 31 ways as a sum of consecutive naturals, for example, 9225 + ... + 9465.

It is an arithmetic number, because the mean of its divisors is an integer number (130680).

2^2252145 is an apocalyptic number.

It is an amenable number.

2252145 is a deficient number, since it is larger than the sum of its proper divisors (1929615).

2252145 is a wasteful number, since it uses less digits than its factorization.

2252145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its digits is 800, while the sum is 21.

The square root of 2252145 is about 1500.7148296728. The cubic root of 2252145 is about 131.0786971538.

Adding to 2252145 its reverse (5412522), we get a palindrome (7664667).

The spelling of 2252145 in words is "two million, two hundred fifty-two thousand, one hundred forty-five".