2145628 has 6 divisors (see below), whose sum is σ = 3754856. Its totient is φ = 1072812.

The previous prime is 2145617. The next prime is 2145629. The reversal of 2145628 is 8265412.

2145628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2145596 and 2145605.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 268200 + ... + 268207.

2^2145628 is an apocalyptic number.

It is an amenable number.

2145628 is a deficient number, since it is larger than the sum of its proper divisors (1609228).

2145628 is a wasteful number, since it uses less digits than its factorization.

2145628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536411 (or 536409 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2145628 is about 1464.7962315626. The cubic root of 2145628 is about 128.9787437685.

The spelling of 2145628 in words is "two million, one hundred forty-five thousand, six hundred twenty-eight".