1804154112 has 108 divisors (see below), whose sum is σ = 5254001844. Its totient is φ = 595353600.

The previous prime is 1804154111. The next prime is 1804154137. The reversal of 1804154112 is 2114514081.

It is a happy number.

1804154112 is a `hidden beast` number, since 1 + 80 + 41 + 541 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1772073216 + 32080896 = 42096^2 + 5664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804154111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228828 + ... + 236580.

Almost surely, 2^1804154112 is an apocalyptic number.

1804154112 is a gapful number since it is divisible by the number (12) 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 1804154112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2627000922).

1804154112 is an abundant number, since it is smaller than the sum of its proper divisors (3449847732).

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

1804154112 is a wasteful number, since it uses less digits than its factorization.

1804154112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876 (or 7859 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1804154112 is about 42475.3353371106. The cubic root of 1804154112 is about 1217.3754634271.

Adding to 1804154112 its reverse (2114514081), we get a palindrome (3918668193).

The spelling of 1804154112 in words is "one billion, eight hundred four million, one hundred fifty-four thousand, one hundred twelve".