4243045 has 8 divisors (see below), whose sum is σ = 5109624. Its totient is φ = 3382464.

The previous prime is 4243039. The next prime is 4243051. The reversal of 4243045 is 5403424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4243039) and next prime (4243051).

It can be written as a sum of positive squares in 4 ways, for example, as 314721 + 3928324 = 561^2 + 1982^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4243045 - 2¹⁵ = 4210277 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 247 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (638703).

Almost surely, 2^4243045 is an apocalyptic number.

It is an amenable number.

4243045 is a deficient number, since it is larger than the sum of its proper divisors (866579).

4243045 is a wasteful number, since it uses less digits than its factorization.

4243045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4243045 is about 2059.8652868574. The cubic root of 4243045 is about 161.8921829973.

Adding to 4243045 its reverse (5403424), we get a palindrome (9646469).

It can be divided in two parts, 4 and 243045, that added together give a square (243049 = 493²).

The spelling of 4243045 in words is "four million, two hundred forty-three thousand, forty-five".