545421124 has 6 divisors (see below), whose sum is σ = 954486974. Its totient is φ = 272710560.

The previous prime is 545421119. The next prime is 545421143. The reversal of 545421124 is 421124545.

It can be written as a sum of positive squares in only one way, i.e., 411278400 + 134142724 = 20280^2 + 11582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 545421092 and 545421101.

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 as a sum of consecutive naturals, namely, 68177637 + ... + 68177644.

Almost surely, 2^545421124 is an apocalyptic number.

It is an amenable number.

545421124 is a deficient number, since it is larger than the sum of its proper divisors (409065850).

545421124 is a wasteful number, since it uses less digits than its factorization.

545421124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136355285 (or 136355283 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 545421124 is about 23354.2528032905. The cubic root of 545421124 is about 817.0412525294.

Adding to 545421124 its reverse (421124545), we get a palindrome (966545669).

It can be divided in two parts, 545421 and 124, that added together give a palindrome (545545).

The spelling of 545421124 in words is "five hundred forty-five million, four hundred twenty-one thousand, one hundred twenty-four".