2163045 has 8 divisors (see below), whose sum is σ = 3460896. Its totient is φ = 1153616.

The previous prime is 2163043. The next prime is 2163059. The reversal of 2163045 is 5403612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2163045 - 2¹ = 2163043 is a prime.

2163045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72087 + ... + 72116.

It is an arithmetic number, because the mean of its divisors is an integer number (432612).

2^2163045 is an apocalyptic number.

It is an amenable number.

2163045 is a deficient number, since it is larger than the sum of its proper divisors (1297851).

2163045 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 2163045 = (4056123)₉.

2163045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144211.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2163045 is about 1470.7294108707. The cubic root of 2163045 is about 129.3267959698.

Adding to 2163045 its reverse (5403612), we get a palindrome (7566657).

The spelling of 2163045 in words is "two million, one hundred sixty-three thousand, forty-five".