545330145442 has 4 divisors (see below), whose sum is σ = 817995218166. Its totient is φ = 272665072720.

The previous prime is 545330145421. The next prime is 545330145461. The reversal of 545330145442 is 244541033545.

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., 508438876401 + 36891269041 = 713049^2 + 192071^2 .

It is a junction number, because it is equal to n+sod(n) for n = 545330145395 and 545330145404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136332536359 + ... + 136332536362.

Almost surely, 2^545330145442 is an apocalyptic number.

545330145442 is a deficient number, since it is larger than the sum of its proper divisors (272665072724).

545330145442 is a wasteful number, since it uses less digits than its factorization.

545330145442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272665072723.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 545330145442 its reverse (244541033545), we get a palindrome (789871178987).

The spelling of 545330145442 in words is "five hundred forty-five billion, three hundred thirty million, one hundred forty-five thousand, four hundred forty-two".