545030642 has 16 divisors (see below), whose sum is σ = 932225112. Its totient is φ = 236755200.

The previous prime is 545030597. The next prime is 545030663. The reversal of 545030642 is 246030545.

It can be written as a sum of positive squares in 4 ways, for example, as 312193561 + 232837081 = 17669^2 + 15259^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616109 + ... + 616992.

Almost surely, 2^545030642 is an apocalyptic number.

545030642 is a deficient number, since it is larger than the sum of its proper divisors (387194470).

545030642 is a wasteful number, since it uses less digits than its factorization.

545030642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233133.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 545030642 is about 23345.8913301677. The cubic root of 545030642 is about 816.8462252040.

The spelling of 545030642 in words is "five hundred forty-five million, thirty thousand, six hundred forty-two".