546155442 has 96 divisors (see below), whose sum is σ = 1382883840. Its totient is φ = 152570880.

The previous prime is 546155431. The next prime is 546155471. The reversal of 546155442 is 244551645.

546155442 is a `hidden beast` number, since 5 + 4 + 61 + 554 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 546155397 and 546155406.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1266967 + ... + 1267397.

It is an arithmetic number, because the mean of its divisors is an integer number (14405040).

Almost surely, 2^546155442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546155442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691441920).

546155442 is an abundant number, since it is smaller than the sum of its proper divisors (836728398).

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

546155442 is a wasteful number, since it uses less digits than its factorization.

546155442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 645 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 546155442 is about 23369.9688061409. The cubic root of 546155442 is about 817.4077577375.

The spelling of 546155442 in words is "five hundred forty-six million, one hundred fifty-five thousand, four hundred forty-two".