1545104000 has 128 divisors (see below), whose sum is σ = 4191220800. Its totient is φ = 561792000.

The previous prime is 1545103969. The next prime is 1545104023. The reversal of 1545104000 is 4015451.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171611 + ... + 180389.

Almost surely, 2^1545104000 is an apocalyptic number.

1545104000 is a gapful number since it is divisible by the number (10) 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 1545104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2095610400).

1545104000 is an abundant number, since it is smaller than the sum of its proper divisors (2646116800).

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

1545104000 is an equidigital number, since it uses as much as digits as its factorization.

1545104000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8819 (or 8797 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1545104000 is about 39307.8109286182. The cubic root of 1545104000 is about 1156.0747228831.

Adding to 1545104000 its reverse (4015451), we get a palindrome (1549119451).

The spelling of 1545104000 in words is "one billion, five hundred forty-five million, one hundred four thousand".