845013100 has 36 divisors (see below), whose sum is σ = 1913408784. Its totient is φ = 323308480.

The previous prime is 845013073. The next prime is 845013131. The reversal of 845013100 is 1310548.

845013100 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×845013100² = 1428094278343220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181399 + ... + 185998.

It is an arithmetic number, because the mean of its divisors is an integer number (53150244).

Almost surely, 2^845013100 is an apocalyptic number.

It is an amenable number.

845013100 is an abundant number, since it is smaller than the sum of its proper divisors (1068395684).

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

845013100 is a wasteful number, since it uses less digits than its factorization.

845013100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367434 (or 367427 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 845013100 is about 29069.1090334740. The cubic root of 845013100 is about 945.4120801092.

Adding to 845013100 its reverse (1310548), we get a palindrome (846323648).

The spelling of 845013100 in words is "eight hundred forty-five million, thirteen thousand, one hundred".