4189145 has 8 divisors (see below), whose sum is σ = 5038656. Its totient is φ = 3343536.

The previous prime is 4189121. The next prime is 4189147. The reversal of 4189145 is 5419814.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4189145 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4189147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2564 + ... + 3866.

It is an arithmetic number, because the mean of its divisors is an integer number (629832).

Almost surely, 2^4189145 is an apocalyptic number.

It is an amenable number.

4189145 is a deficient number, since it is larger than the sum of its proper divisors (849511).

4189145 is a wasteful number, since it uses less digits than its factorization.

4189145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its digits is 5760, while the sum is 32.

The square root of 4189145 is about 2046.7400909739. The cubic root of 4189145 is about 161.2037465238.

It can be divided in two parts, 4189 and 145, that added together give a palindrome (4334).

The spelling of 4189145 in words is "four million, one hundred eighty-nine thousand, one hundred forty-five".