2264145 has 32 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 1047552.

The previous prime is 2264113. The next prime is 2264149. The reversal of 2264145 is 5414622.

2264145 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 2264145 - 2⁵ = 2264113 is a prime.

2264145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2264149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2974 + ... + 3656.

It is an arithmetic number, because the mean of its divisors is an integer number (129276).

2^2264145 is an apocalyptic number.

It is an amenable number.

2264145 is a deficient number, since it is larger than the sum of its proper divisors (1872687).

2264145 is a wasteful number, since it uses less digits than its factorization.

2264145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its digits is 1920, while the sum is 24.

The square root of 2264145 is about 1504.7076127939. The cubic root of 2264145 is about 131.3110917412.

Adding to 2264145 its reverse (5414622), we get a palindrome (7678767).

It can be divided in two parts, 226 and 4145, that added together give a triangular number (4371 = T₉₃).

The spelling of 2264145 in words is "two million, two hundred sixty-four thousand, one hundred forty-five".