545136122 has 4 divisors (see below), whose sum is σ = 817704186. Its totient is φ = 272568060.

The previous prime is 545136121. The next prime is 545136131. The reversal of 545136122 is 221631545.

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., 481758601 + 63377521 = 21949^2 + 7961^2 .

It is not an unprimeable number, because it can be changed into a prime (545136121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136284029 + ... + 136284032.

Almost surely, 2^545136122 is an apocalyptic number.

545136122 is a deficient number, since it is larger than the sum of its proper divisors (272568064).

545136122 is a wasteful number, since it uses less digits than its factorization.

545136122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272568063.

The product of its digits is 7200, while the sum is 29.

The square root of 545136122 is about 23348.1502907618. The cubic root of 545136122 is about 816.8989166648.

Adding to 545136122 its reverse (221631545), we get a palindrome (766767667).

The spelling of 545136122 in words is "five hundred forty-five million, one hundred thirty-six thousand, one hundred twenty-two".