855643015146 has 8 divisors (see below), whose sum is σ = 1711286030304. Its totient is φ = 285214338380.

The previous prime is 855643015141. The next prime is 855643015163. The reversal of 855643015146 is 641510346558.

855643015146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

855643015146 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 855643015095 and 855643015104.

It is not an unprimeable number, because it can be changed into a prime (855643015141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71303584590 + ... + 71303584601.

It is an arithmetic number, because the mean of its divisors is an integer number (213910753788).

Almost surely, 2^855643015146 is an apocalyptic number.

855643015146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

855643015146 is a wasteful number, since it uses less digits than its factorization.

855643015146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142607169196.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 855643015146 in words is "eight hundred fifty-five billion, six hundred forty-three million, fifteen thousand, one hundred forty-six".