546145728 has 56 divisors (see below), whose sum is σ = 1521073920. Its totient is φ = 172465920.

The previous prime is 546145679. The next prime is 546145739. The reversal of 546145728 is 827541645.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 546145728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71208 + ... + 78503.

Almost surely, 2^546145728 is an apocalyptic number.

It is an amenable number.

546145728 is an abundant number, since it is smaller than the sum of its proper divisors (974928192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

546145728 is a wasteful number, since it uses less digits than its factorization.

546145728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149745 (or 149735 counting only the distinct ones).

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

The square root of 546145728 is about 23369.7609743874. The cubic root of 546145728 is about 817.4029115311.

The spelling of 546145728 in words is "five hundred forty-six million, one hundred forty-five thousand, seven hundred twenty-eight".