42152305 has 16 divisors (see below), whose sum is σ = 55805904. Its totient is φ = 30366720.

The previous prime is 42152293. The next prime is 42152321. The reversal of 42152305 is 50325124.

It can be written as a sum of positive squares in 8 ways, for example, as 4255969 + 37896336 = 2063^2 + 6156^2 .

It is not a de Polignac number, because 42152305 - 2⁵ = 42152273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 5244 + ... + 10573.

It is an arithmetic number, because the mean of its divisors is an integer number (3487869).

Almost surely, 2^42152305 is an apocalyptic number.

It is an amenable number.

42152305 is a deficient number, since it is larger than the sum of its proper divisors (13653599).

42152305 is a wasteful number, since it uses less digits than its factorization.

42152305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15876.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 42152305 is about 6492.4806507220. The cubic root of 42152305 is about 348.0223292362.

Adding to 42152305 its reverse (50325124), we get a palindrome (92477429).

The spelling of 42152305 in words is "forty-two million, one hundred fifty-two thousand, three hundred five".