545624242 has 8 divisors (see below), whose sum is σ = 844837632. Its totient is φ = 264011700.

The previous prime is 545624227. The next prime is 545624251. The reversal of 545624242 is 242426545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 545624198 and 545624207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4400134 + ... + 4400257.

It is an arithmetic number, because the mean of its divisors is an integer number (105604704).

Almost surely, 2^545624242 is an apocalyptic number.

545624242 is a deficient number, since it is larger than the sum of its proper divisors (299213390).

545624242 is a wasteful number, since it uses less digits than its factorization.

545624242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800424.

The product of its digits is 76800, while the sum is 34.

The square root of 545624242 is about 23358.6010283150. The cubic root of 545624242 is about 817.1426635805.

The spelling of 545624242 in words is "five hundred forty-five million, six hundred twenty-four thousand, two hundred forty-two".