426842945 has 8 divisors (see below), whose sum is σ = 512363880. Its totient is φ = 341372800.

The previous prime is 426842929. The next prime is 426842959. The reversal of 426842945 is 549248624.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10029889 + 416813056 = 3167^2 + 20416^2 .

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

It is not a de Polignac number, because 426842945 - 2⁴ = 426842929 is a prime.

It is a super-3 number, since 3×426842945³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 426842896 and 426842905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9245 + ... + 30645.

It is an arithmetic number, because the mean of its divisors is an integer number (64045485).

Almost surely, 2^426842945 is an apocalyptic number.

It is an amenable number.

426842945 is a deficient number, since it is larger than the sum of its proper divisors (85520935).

426842945 is a wasteful number, since it uses less digits than its factorization.

426842945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25395.

The product of its digits is 552960, while the sum is 44.

The square root of 426842945 is about 20660.1777581898. The cubic root of 426842945 is about 752.9324864941.

The spelling of 426842945 in words is "four hundred twenty-six million, eight hundred forty-two thousand, nine hundred forty-five".