545430445402 has 8 divisors (see below), whose sum is σ = 821718357300. Its totient is φ = 271524326304.

The previous prime is 545430445363. The next prime is 545430445423. The reversal of 545430445402 is 204544034545.

It can be written as a sum of positive squares in 2 ways, for example, as 544967291961 + 463153441 = 738219^2 + 21521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×545430445402³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595447627 + ... + 595448542.

Almost surely, 2^545430445402 is an apocalyptic number.

545430445402 is a deficient number, since it is larger than the sum of its proper divisors (276287911898).

545430445402 is a wasteful number, since it uses less digits than its factorization.

545430445402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190896400.

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 545430445402 its reverse (204544034545), we get a palindrome (749974479947).

The spelling of 545430445402 in words is "five hundred forty-five billion, four hundred thirty million, four hundred forty-five thousand, four hundred two".