851755146 has 16 divisors (see below), whose sum is σ = 1858375008. Its totient is φ = 258107600.

The previous prime is 851755129. The next prime is 851755189. The reversal of 851755146 is 641557158.

It is a junction number, because it is equal to n+sod(n) for n = 851755098 and 851755107.

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 7 ways as a sum of consecutive naturals, for example, 6452625 + ... + 6452756.

It is an arithmetic number, because the mean of its divisors is an integer number (116148438).

Almost surely, 2^851755146 is an apocalyptic number.

851755146 is an abundant number, since it is smaller than the sum of its proper divisors (1006619862).

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

851755146 is a wasteful number, since it uses less digits than its factorization.

851755146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12905397.

The product of its digits is 168000, while the sum is 42.

The square root of 851755146 is about 29184.8444573549. The cubic root of 851755146 is about 947.9197866044.

The spelling of 851755146 in words is "eight hundred fifty-one million, seven hundred fifty-five thousand, one hundred forty-six".