4225145 has 8 divisors (see below), whose sum is σ = 5233920. Its totient is φ = 3270960.

The previous prime is 4225121. The next prime is 4225147. The reversal of 4225145 is 5415224.

It is a happy number.

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

It is not a de Polignac number, because 4225145 - 2⁸ = 4224889 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4225145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13475 + ... + 13784.

It is an arithmetic number, because the mean of its divisors is an integer number (654240).

Almost surely, 2^4225145 is an apocalyptic number.

It is an amenable number.

4225145 is a deficient number, since it is larger than the sum of its proper divisors (1008775).

4225145 is a wasteful number, since it uses less digits than its factorization.

4225145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27295.

The product of its digits is 1600, while the sum is 23.

The square root of 4225145 is about 2055.5157503653. The cubic root of 4225145 is about 161.6642056285.

The spelling of 4225145 in words is "four million, two hundred twenty-five thousand, one hundred forty-five".