1145643846 has 32 divisors (see below), whose sum is σ = 2412875520. Its totient is φ = 361921824.

The previous prime is 1145643773. The next prime is 1145643857. The reversal of 1145643846 is 6483465411.

It is a junction number, because it is equal to n+sod(n) for n = 1145643798 and 1145643807.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 23040 + ... + 53123.

It is an arithmetic number, because the mean of its divisors is an integer number (75402360).

Almost surely, 2^1145643846 is an apocalyptic number.

1145643846 is an abundant number, since it is smaller than the sum of its proper divisors (1267231674).

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

1145643846 is a wasteful number, since it uses less digits than its factorization.

1145643846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76300.

The product of its digits is 276480, while the sum is 42.

The square root of 1145643846 is about 33847.3609901865. The cubic root of 1145643846 is about 1046.3650106165.

The spelling of 1145643846 in words is "one billion, one hundred forty-five million, six hundred forty-three thousand, eight hundred forty-six".