545841042 has 16 divisors (see below), whose sum is σ = 1107058752. Its totient is φ = 179384240.

The previous prime is 545841031. The next prime is 545841059. The reversal of 545841042 is 240148545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 545840994 and 545841012.

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 7 ways as a sum of consecutive naturals, for example, 640233 + ... + 641084.

It is an arithmetic number, because the mean of its divisors is an integer number (69191172).

Almost surely, 2^545841042 is an apocalyptic number.

545841042 is an abundant number, since it is smaller than the sum of its proper divisors (561217710).

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

545841042 is a wasteful number, since it uses less digits than its factorization.

545841042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281393.

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 545841042 is about 23363.2412562983. The cubic root of 545841042 is about 817.2508779016.

Adding to 545841042 its reverse (240148545), we get a palindrome (785989587).

The spelling of 545841042 in words is "five hundred forty-five million, eight hundred forty-one thousand, forty-two".