4231445 has 8 divisors (see below), whose sum is σ = 5147736. Its totient is φ = 3338496.

The previous prime is 4231429. The next prime is 4231459. The reversal of 4231445 is 5441324.

It can be written as a sum of positive squares in 4 ways, for example, as 1495729 + 2735716 = 1223^2 + 1654^2 .

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 4231445 - 2⁴ = 4231429 is a prime.

It is a super-3 number, since 3×4231445³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4231445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5432 + ... + 6161.

It is an arithmetic number, because the mean of its divisors is an integer number (643467).

Almost surely, 2^4231445 is an apocalyptic number.

It is an amenable number.

4231445 is a deficient number, since it is larger than the sum of its proper divisors (916291).

4231445 is a wasteful number, since it uses less digits than its factorization.

4231445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671.

The product of its digits is 1920, while the sum is 23.

The square root of 4231445 is about 2057.0476416457. The cubic root of 4231445 is about 161.7445167739.

Adding to 4231445 its reverse (5441324), we get a palindrome (9672769).

The spelling of 4231445 in words is "four million, two hundred thirty-one thousand, four hundred forty-five".