846145791 has 32 divisors (see below), whose sum is σ = 1325376000. Its totient is φ = 532039104.

The previous prime is 846145717. The next prime is 846145813. The reversal of 846145791 is 197541648.

It is not a de Polignac number, because 846145791 - 2¹³ = 846137599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846145891) 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 31 ways as a sum of consecutive naturals, for example, 115990 + ... + 123068.

It is an arithmetic number, because the mean of its divisors is an integer number (41418000).

Almost surely, 2^846145791 is an apocalyptic number.

846145791 is a deficient number, since it is larger than the sum of its proper divisors (479230209).

846145791 is a wasteful number, since it uses less digits than its factorization.

846145791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340 (or 7334 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 846145791 is about 29088.5852354493. The cubic root of 846145791 is about 945.8343148396.

The spelling of 846145791 in words is "eight hundred forty-six million, one hundred forty-five thousand, seven hundred ninety-one".