2145004 has 24 divisors (see below), whose sum is σ = 3906000. Its totient is φ = 1030080.

The previous prime is 2144999. The next prime is 2145023. The reversal of 2145004 is 4005412.

2145004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14322 + ... + 14470.

It is an arithmetic number, because the mean of its divisors is an integer number (162750).

2^2145004 is an apocalyptic number.

It is an amenable number.

2145004 is a deficient number, since it is larger than the sum of its proper divisors (1760996).

2145004 is a wasteful number, since it uses less digits than its factorization.

2145004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2145004 is about 1464.5832171645. The cubic root of 2145004 is about 128.9662391871.

The spelling of 2145004 in words is "two million, one hundred forty-five thousand, four".