545032242 has 48 divisors (see below), whose sum is σ = 1234591488. Its totient is φ = 173448000.

The previous prime is 545032207. The next prime is 545032261. The reversal of 545032242 is 242230545.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310038 + ... + 311790.

It is an arithmetic number, because the mean of its divisors is an integer number (25720656).

Almost surely, 2^545032242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545032242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617295744).

545032242 is an abundant number, since it is smaller than the sum of its proper divisors (689559246).

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

545032242 is a wasteful number, since it uses less digits than its factorization.

545032242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535 (or 2532 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 545032242 is about 23345.9255974142. The cubic root of 545032242 is about 816.8470245185.

Adding to 545032242 its reverse (242230545), we get a palindrome (787262787).

The spelling of 545032242 in words is "five hundred forty-five million, thirty-two thousand, two hundred forty-two".