4145242 has 8 divisors (see below), whose sum is σ = 6279732. Its totient is φ = 2052000.

The previous prime is 4145213. The next prime is 4145257. The reversal of 4145242 is 2425414.

It is a happy number.

4145242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3613801 + 531441 = 1901^2 + 729^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 10059 + ... + 10462.

Almost surely, 2^4145242 is an apocalyptic number.

4145242 is a deficient number, since it is larger than the sum of its proper divisors (2134490).

4145242 is a wasteful number, since it uses less digits than its factorization.

4145242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20624.

The product of its digits is 1280, while the sum is 22.

The square root of 4145242 is about 2035.9867386602. The cubic root of 4145242 is about 160.6386195157.

The spelling of 4145242 in words is "four million, one hundred forty-five thousand, two hundred forty-two".