2145626 has 8 divisors (see below), whose sum is σ = 3678240. Its totient is φ = 919548.

The previous prime is 2145617. The next prime is 2145629. The reversal of 2145626 is 6265412.

2145626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a d-powerful number, because it can be written as 2⁹ + 1 + 4 + 5 + 6⁴ + 2²¹ + 6⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2145595 and 2145604.

It is not an unprimeable number, because it can be changed into a prime (2145629) 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 3 ways as a sum of consecutive naturals, for example, 76616 + ... + 76643.

It is an arithmetic number, because the mean of its divisors is an integer number (459780).

2^2145626 is an apocalyptic number.

2145626 is a deficient number, since it is larger than the sum of its proper divisors (1532614).

2145626 is a wasteful number, since it uses less digits than its factorization.

2145626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153268.

The product of its digits is 2880, while the sum is 26.

The square root of 2145626 is about 1464.7955488736. The cubic root of 2145626 is about 128.9787036935.

The spelling of 2145626 in words is "two million, one hundred forty-five thousand, six hundred twenty-six".