2145933 has 12 divisors (see below), whose sum is σ = 3214848. Its totient is φ = 1430460.

The previous prime is 2145853. The next prime is 2145937. The reversal of 2145933 is 3395412.

2145933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2145933 - 2⁸ = 2145677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹⁷ + 1 + 4⁴ + 5⁹ + 9⁵ + 3⁵ + 3⁷ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2145897 and 2145906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4173 + ... + 4658.

It is an arithmetic number, because the mean of its divisors is an integer number (267904).

2^2145933 is an apocalyptic number.

It is an amenable number.

2145933 is a deficient number, since it is larger than the sum of its proper divisors (1068915).

2145933 is an frugal number, since it uses more digits than its factorization.

2145933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8846 (or 8834 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 2145933 is about 1464.9003379070. The cubic root of 2145933 is about 128.9848549013.

It can be divided in two parts, 21 and 45933, that added together give a palindrome (45954).

The spelling of 2145933 in words is "two million, one hundred forty-five thousand, nine hundred thirty-three".