426145185 has 32 divisors (see below), whose sum is σ = 776079360. Its totient is φ = 221731200.

The previous prime is 426145163. The next prime is 426145199. The reversal of 426145185 is 581541624.

It is a happy number.

It is not a de Polignac number, because 426145185 - 2¹⁵ = 426112417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32961 + ... + 44030.

It is an arithmetic number, because the mean of its divisors is an integer number (24252480).

Almost surely, 2^426145185 is an apocalyptic number.

426145185 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

426145185 is a deficient number, since it is larger than the sum of its proper divisors (349934175).

426145185 is a wasteful number, since it uses less digits than its factorization.

426145185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77046 (or 77040 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 426145185 is about 20643.2842590514. The cubic root of 426145185 is about 752.5219899167.

The spelling of 426145185 in words is "four hundred twenty-six million, one hundred forty-five thousand, one hundred eighty-five".