7155306042 has 16 divisors (see below), whose sum is σ = 14313472320. Its totient is φ = 2384625312.

The previous prime is 7155305999. The next prime is 7155306047. The reversal of 7155306042 is 2406035517.

It is a junction number, because it is equal to n+sod(n) for n = 7155305994 and 7155306012.

It is not an unprimeable number, because it can be changed into a prime (7155306047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85942 + ... + 147297.

It is an arithmetic number, because the mean of its divisors is an integer number (894592020).

Almost surely, 2^7155306042 is an apocalyptic number.

7155306042 is an abundant number, since it is smaller than the sum of its proper divisors (7158166278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7155306042 is a wasteful number, since it uses less digits than its factorization.

7155306042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238357.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 7155306042 is about 84589.0420917509. The cubic root of 7155306042 is about 1926.9749600583.

The spelling of 7155306042 in words is "seven billion, one hundred fifty-five million, three hundred six thousand, forty-two".