545420424 has 32 divisors (see below), whose sum is σ = 1380816000. Its totient is φ = 179504832.

The previous prime is 545420419. The next prime is 545420431. The reversal of 545420424 is 424024545.

It is a junction number, because it is equal to n+sod(n) for n = 545420391 and 545420400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141939 + ... + 145730.

It is an arithmetic number, because the mean of its divisors is an integer number (43150500).

Almost surely, 2^545420424 is an apocalyptic number.

It is an amenable number.

545420424 is an abundant number, since it is smaller than the sum of its proper divisors (835395576).

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

545420424 is a wasteful number, since it uses less digits than its factorization.

545420424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287757 (or 287753 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 545420424 is about 23354.2378167218. The cubic root of 545420424 is about 817.0409029958.

Adding to 545420424 its reverse (424024545), we get a palindrome (969444969).

It can be divided in two parts, 5454 and 20424, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 545420424 in words is "five hundred forty-five million, four hundred twenty thousand, four hundred twenty-four".