4155105242 has 8 divisors (see below), whose sum is σ = 6234338676. Its totient is φ = 2076992352.

The previous prime is 4155105211. The next prime is 4155105281. The reversal of 4155105242 is 2425015514.

It can be written as a sum of positive squares in 2 ways, for example, as 3634763521 + 520341721 = 60289^2 + 22811^2 .

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

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, 270803 + ... + 285734.

Almost surely, 2^4155105242 is an apocalyptic number.

4155105242 is a deficient number, since it is larger than the sum of its proper divisors (2079233434).

4155105242 is a wasteful number, since it uses less digits than its factorization.

4155105242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560272.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 4155105242 is about 64460.1058174744. The cubic root of 4155105242 is about 1607.6592712732.

The spelling of 4155105242 in words is "four billion, one hundred fifty-five million, one hundred five thousand, two hundred forty-two".