805144932 has 72 divisors (see below), whose sum is σ = 2082138240. Its totient is φ = 262267200.

The previous prime is 805144913. The next prime is 805144937. The reversal of 805144932 is 239441508.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (805144937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285843 + ... + 288645.

Almost surely, 2^805144932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805144932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041069120).

805144932 is an abundant number, since it is smaller than the sum of its proper divisors (1276993308).

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

805144932 is a wasteful number, since it uses less digits than its factorization.

805144932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 805144932 is about 28375.0758941716. The cubic root of 805144932 is about 930.3035706861.

The spelling of 805144932 in words is "eight hundred five million, one hundred forty-four thousand, nine hundred thirty-two".