8546378142 has 32 divisors (see below), whose sum is σ = 18108002304. Its totient is φ = 2679766400.

The previous prime is 8546378131. The next prime is 8546378149. The reversal of 8546378142 is 2418736458.

It is a junction number, because it is equal to n+sod(n) for n = 8546378091 and 8546378100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8546378149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175267 + ... + 218657.

It is an arithmetic number, because the mean of its divisors is an integer number (565875072).

Almost surely, 2^8546378142 is an apocalyptic number.

8546378142 is an abundant number, since it is smaller than the sum of its proper divisors (9561624162).

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

8546378142 is a wasteful number, since it uses less digits than its factorization.

8546378142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45344.

The product of its digits is 1290240, while the sum is 48.

The square root of 8546378142 is about 92446.6232049608. The cubic root of 8546378142 is about 2044.5325770571.

The spelling of 8546378142 in words is "eight billion, five hundred forty-six million, three hundred seventy-eight thousand, one hundred forty-two".