2144485 has 12 divisors (see below), whose sum is σ = 2993868. Its totient is φ = 1470336.

The previous prime is 2144479. The next prime is 2144489. The reversal of 2144485 is 5844412.

It can be written as a sum of positive squares in 2 ways, for example, as 1366561 + 777924 = 1169^2 + 882^2 .

It is not a de Polignac number, because 2144485 - 2³ = 2144477 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 (2144489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4132 + ... + 4621.

It is an arithmetic number, because the mean of its divisors is an integer number (249489).

2^2144485 is an apocalyptic number.

It is an amenable number.

2144485 is a deficient number, since it is larger than the sum of its proper divisors (849383).

2144485 is an equidigital number, since it uses as much as digits as its factorization.

2144485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772 (or 8765 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 2144485 is about 1464.4060229322. The cubic root of 2144485 is about 128.9558368946.

Adding to 2144485 its reverse (5844412), we get a palindrome (7988897).

The spelling of 2144485 in words is "two million, one hundred forty-four thousand, four hundred eighty-five".