1545828804 has 108 divisors (see below), whose sum is σ = 4415576256. Its totient is φ = 454918464.

The previous prime is 1545828803. The next prime is 1545828829. The reversal of 1545828804 is 4088285451.

1545828804 is a `hidden beast` number, since 1 + 545 + 8 + 28 + 80 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1545828804.

It is not an unprimeable number, because it can be changed into a prime (1545828803) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 134409 + ... + 145455.

Almost surely, 2^1545828804 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 1545828804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2207788128).

1545828804 is an abundant number, since it is smaller than the sum of its proper divisors (2869747452).

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

1545828804 is a wasteful number, since it uses less digits than its factorization.

1545828804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106 (or 11088 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 45.

The square root of 1545828804 is about 39317.0294401802. The cubic root of 1545828804 is about 1156.2554651059.

The spelling of 1545828804 in words is "one billion, five hundred forty-five million, eight hundred twenty-eight thousand, eight hundred four".