814155852 has 96 divisors (see below), whose sum is σ = 2082734080. Its totient is φ = 246576960.

The previous prime is 814155799. The next prime is 814155869. The reversal of 814155852 is 258551418.

It is a self number, because there is not a number n which added to its sum of digits gives 814155852.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 897183 + ... + 898089.

Almost surely, 2^814155852 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 814155852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041367040).

814155852 is an abundant number, since it is smaller than the sum of its proper divisors (1268578228).

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

814155852 is a wasteful number, since it uses less digits than its factorization.

814155852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1089 counting only the distinct ones).

The product of its digits is 64000, while the sum is 39.

The square root of 814155852 is about 28533.4164095364. The cubic root of 814155852 is about 933.7612550771.

The spelling of 814155852 in words is "eight hundred fourteen million, one hundred fifty-five thousand, eight hundred fifty-two".