2162345 has 8 divisors (see below), whose sum is σ = 2707776. Its totient is φ = 1654576.

The previous prime is 2162339. The next prime is 2162351. The reversal of 2162345 is 5432612.

It is an interprime number because it is at equal distance from previous prime (2162339) and next prime (2162351).

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 2162345 - 2⁸ = 2162089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 6⁵ + 2¹⁹ + 3¹³ + 4³ + 5⁵ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2162345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9287 + ... + 9516.

It is an arithmetic number, because the mean of its divisors is an integer number (338472).

2^2162345 is an apocalyptic number.

It is an amenable number.

2162345 is a deficient number, since it is larger than the sum of its proper divisors (545431).

2162345 is a wasteful number, since it uses less digits than its factorization.

2162345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18831.

The product of its digits is 1440, while the sum is 23.

The square root of 2162345 is about 1470.4914144598. The cubic root of 2162345 is about 129.3128436442.

Adding to 2162345 its reverse (5432612), we get a palindrome (7594957).

The spelling of 2162345 in words is "two million, one hundred sixty-two thousand, three hundred forty-five".