428561145175 has 12 divisors (see below), whose sum is σ = 532435828176. Its totient is φ = 342190846400.

The previous prime is 428561145149. The next prime is 428561145209. The reversal of 428561145175 is 571541165824.

It is a happy number.

It is not a de Polignac number, because 428561145175 - 2²⁷ = 428426927447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16438459 + ... + 16464508.

It is an arithmetic number, because the mean of its divisors is an integer number (44369652348).

Almost surely, 2^428561145175 is an apocalyptic number.

428561145175 is a deficient number, since it is larger than the sum of its proper divisors (103874683001).

428561145175 is a wasteful number, since it uses less digits than its factorization.

428561145175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32903498 (or 32903493 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 49.

The spelling of 428561145175 in words is "four hundred twenty-eight billion, five hundred sixty-one million, one hundred forty-five thousand, one hundred seventy-five".