1145541504 has 32 divisors (see below), whose sum is σ = 3042845640. Its totient is φ = 381847040.

The previous prime is 1145541491. The next prime is 1145541511. The reversal of 1145541504 is 4051455411.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1491207 + ... + 1491974.

Almost surely, 2^1145541504 is an apocalyptic number.

It is an amenable number.

1145541504 is an abundant number, since it is smaller than the sum of its proper divisors (1897304136).

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

1145541504 is an equidigital number, since it uses as much as digits as its factorization.

1145541504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983198 (or 2983186 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 1145541504 is about 33845.8491398872. The cubic root of 1145541504 is about 1046.3338519287. Note that the first 3 decimals are identical.

Adding to 1145541504 its reverse (4051455411), we get a palindrome (5196996915).

The spelling of 1145541504 in words is "one billion, one hundred forty-five million, five hundred forty-one thousand, five hundred four".