1545180048 has 120 divisors (see below), whose sum is σ = 4594770648. Its totient is φ = 483065856.

The previous prime is 1545180023. The next prime is 1545180067. The reversal of 1545180048 is 8400815451.

It can be written as a sum of positive squares in 4 ways, for example, as 18558864 + 1526621184 = 4308^2 + 39072^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1545179994 and 1545180021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 824040 + ... + 825912.

Almost surely, 2^1545180048 is an apocalyptic number.

1545180048 is a gapful number since it is divisible by the number (18) 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 1545180048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2297385324).

1545180048 is an abundant number, since it is smaller than the sum of its proper divisors (3049590600).

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

1545180048 is a wasteful number, since it uses less digits than its factorization.

1545180048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 1545180048 is about 39308.7782562623. The cubic root of 1545180048 is about 1156.0936894010.

Adding to 1545180048 its reverse (8400815451), we get a palindrome (9945995499).

The spelling of 1545180048 in words is "one billion, five hundred forty-five million, one hundred eighty thousand, forty-eight".