805148652 has 192 divisors, whose sum is σ = 2450746368. Its totient is φ = 199680000.

The previous prime is 805148651. The next prime is 805148677. The reversal of 805148652 is 256841508.

It is a self number, because there is not a number n which added to its sum of digits gives 805148652.

It is not an unprimeable number, because it can be changed into a prime (805148651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2007652 + ... + 2008052.

It is an arithmetic number, because the mean of its divisors is an integer number (12764304).

Almost surely, 2^805148652 is an apocalyptic number.

805148652 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805148652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225373184).

805148652 is an abundant number, since it is smaller than the sum of its proper divisors (1645597716).

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

805148652 is a wasteful number, since it uses less digits than its factorization.

805148652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 805148652 is about 28375.1414445814. The cubic root of 805148652 is about 930.3050034401.

The spelling of 805148652 in words is "eight hundred five million, one hundred forty-eight thousand, six hundred fifty-two".