2210145 has 48 divisors (see below), whose sum is σ = 4290048. Its totient is φ = 967680.

The previous prime is 2210141. The next prime is 2210147. The reversal of 2210145 is 5410122.

It is not a de Polignac number, because 2210145 - 2² = 2210141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22737 + ... + 22833.

It is an arithmetic number, because the mean of its divisors is an integer number (89376).

2^2210145 is an apocalyptic number.

It is an amenable number.

2210145 is a deficient number, since it is larger than the sum of its proper divisors (2079903).

2210145 is a wasteful number, since it uses less digits than its factorization.

2210145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2210145 is about 1486.6556427095. The cubic root of 2210145 is about 130.2587548440.

Adding to 2210145 its reverse (5410122), we get a palindrome (7620267).

The spelling of 2210145 in words is "two million, two hundred ten thousand, one hundred forty-five".