545401330 has 16 divisors (see below), whose sum is σ = 985221144. Its totient is φ = 217383040.

The previous prime is 545401319. The next prime is 545401331. The reversal of 545401330 is 33104545.

It can be written as a sum of positive squares in 4 ways, for example, as 463842369 + 81558961 = 21537^2 + 9031^2 .

It is a super-2 number, since 2×545401330² = 594925221531537800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545401295 and 545401304.

It is not an unprimeable number, because it can be changed into a prime (545401331) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 94237 + ... + 99856.

Almost surely, 2^545401330 is an apocalyptic number.

545401330 is a deficient number, since it is larger than the sum of its proper divisors (439819814).

545401330 is a wasteful number, since it uses less digits than its factorization.

545401330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194381.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 545401330 is about 23353.8290222396. The cubic root of 545401330 is about 817.0313686009.

Adding to 545401330 its reverse (33104545), we get a palindrome (578505875).

The spelling of 545401330 in words is "five hundred forty-five million, four hundred one thousand, three hundred thirty".