426145785 has 16 divisors (see below), whose sum is σ = 734282304. Its totient is φ = 209794752.

The previous prime is 426145739. The next prime is 426145823. The reversal of 426145785 is 587541624.

It is a happy number.

It is not a de Polignac number, because 426145785 - 2⁶ = 426145721 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092487 + ... + 1092876.

It is an arithmetic number, because the mean of its divisors is an integer number (45892644).

Almost surely, 2^426145785 is an apocalyptic number.

It is an amenable number.

426145785 is a deficient number, since it is larger than the sum of its proper divisors (308136519).

426145785 is a wasteful number, since it uses less digits than its factorization.

426145785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185384.

The product of its digits is 268800, while the sum is 42.

The square root of 426145785 is about 20643.2987916176. The cubic root of 426145785 is about 752.5223430929.

The spelling of 426145785 in words is "four hundred twenty-six million, one hundred forty-five thousand, seven hundred eighty-five".