426442145 has 8 divisors (see below), whose sum is σ = 516699456. Its totient is φ = 337841136.

The previous prime is 426442123. The next prime is 426442151. The reversal of 426442145 is 541244624.

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 426442145 - 2¹⁰ = 426441121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 413507 + ... + 414536.

It is an arithmetic number, because the mean of its divisors is an integer number (64587432).

Almost surely, 2^426442145 is an apocalyptic number.

It is an amenable number.

426442145 is a deficient number, since it is larger than the sum of its proper divisors (90257311).

426442145 is a wasteful number, since it uses less digits than its factorization.

426442145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828151.

The product of its digits is 30720, while the sum is 32.

The square root of 426442145 is about 20650.4756603813. The cubic root of 426442145 is about 752.6967480742.

Adding to 426442145 its reverse (541244624), we get a palindrome (967686769).

The spelling of 426442145 in words is "four hundred twenty-six million, four hundred forty-two thousand, one hundred forty-five".