942540305 has 16 divisors (see below), whose sum is σ = 1299777024. Its totient is φ = 642738240.

The previous prime is 942540289. The next prime is 942540307. The reversal of 942540305 is 503045249.

It is a happy number.

It is not a de Polignac number, because 942540305 - 2⁴ = 942540289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (942540307) 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 15 ways as a sum of consecutive naturals, for example, 68057 + ... + 80726.

It is an arithmetic number, because the mean of its divisors is an integer number (81236064).

Almost surely, 2^942540305 is an apocalyptic number.

It is an amenable number.

942540305 is a deficient number, since it is larger than the sum of its proper divisors (357236719).

942540305 is a wasteful number, since it uses less digits than its factorization.

942540305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148976.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 942540305 is about 30700.8192887421. The cubic root of 942540305 is about 980.4677431881.

The spelling of 942540305 in words is "nine hundred forty-two million, five hundred forty thousand, three hundred five".