545443542 has 96 divisors (see below), whose sum is σ = 1410626880. Its totient is φ = 149022720.

The previous prime is 545443501. The next prime is 545443567. The reversal of 545443542 is 245344545.

545443542 is a `hidden beast` number, since 545 + 44 + 35 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 545443497 and 545443506.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 412242 + ... + 413562.

It is an arithmetic number, because the mean of its divisors is an integer number (14694030).

Almost surely, 2^545443542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545443542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705313440).

545443542 is an abundant number, since it is smaller than the sum of its proper divisors (865183338).

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

545443542 is a wasteful number, since it uses less digits than its factorization.

545443542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1475 counting only the distinct ones).

The product of its digits is 192000, while the sum is 36.

The square root of 545443542 is about 23354.7327537696. The cubic root of 545443542 is about 817.0524464364.

The spelling of 545443542 in words is "five hundred forty-five million, four hundred forty-three thousand, five hundred forty-two".