545023420 has 24 divisors (see below), whose sum is σ = 1145075904. Its totient is φ = 217909056.

The previous prime is 545023403. The next prime is 545023429. The reversal of 545023420 is 24320545.

545023420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545023429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51069 + ... + 60811.

It is an arithmetic number, because the mean of its divisors is an integer number (47711496).

Almost surely, 2^545023420 is an apocalyptic number.

It is an amenable number.

545023420 is an abundant number, since it is smaller than the sum of its proper divisors (600052484).

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

545023420 is a wasteful number, since it uses less digits than its factorization.

545023420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12549 (or 12547 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 545023420 is about 23345.7366557579. The cubic root of 545023420 is about 816.8426172787.

Adding to 545023420 its reverse (24320545), we get a palindrome (569343965).

The spelling of 545023420 in words is "five hundred forty-five million, twenty-three thousand, four hundred twenty".