545541434 has 4 divisors (see below), whose sum is σ = 818312154. Its totient is φ = 272770716.

The previous prime is 545541419. The next prime is 545541443. The reversal of 545541434 is 434145545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 382085209 + 163456225 = 19547^2 + 12785^2 .

It is a junction number, because it is equal to n+sod(n) for n = 545541394 and 545541403.

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, 136385357 + ... + 136385360.

Almost surely, 2^545541434 is an apocalyptic number.

545541434 is a deficient number, since it is larger than the sum of its proper divisors (272770720).

545541434 is a wasteful number, since it uses less digits than its factorization.

545541434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272770719.

The product of its digits is 96000, while the sum is 35.

The square root of 545541434 is about 23356.8284233969. The cubic root of 545541434 is about 817.1013229362.

Adding to 545541434 its reverse (434145545), we get a palindrome (979686979).

The spelling of 545541434 in words is "five hundred forty-five million, five hundred forty-one thousand, four hundred thirty-four".