1045543530 has 48 divisors (see below), whose sum is σ = 2540403360. Its totient is φ = 275397984.

The previous prime is 1045543519. The next prime is 1045543531. The reversal of 1045543530 is 353455401.

It is a super-2 number, since 2×1045543530² = 2186322546249721800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1045543531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204141 + ... + 209199.

It is an arithmetic number, because the mean of its divisors is an integer number (52925070).

Almost surely, 2^1045543530 is an apocalyptic number.

1045543530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045543530 is an abundant number, since it is smaller than the sum of its proper divisors (1494859830).

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

1045543530 is an equidigital number, since it uses as much as digits as its factorization.

1045543530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1045543530 is about 32334.8655478881. The cubic root of 1045543530 is about 1014.9563684966.

Adding to 1045543530 its reverse (353455401), we get a palindrome (1398998931).

The spelling of 1045543530 in words is "one billion, forty-five million, five hundred forty-three thousand, five hundred thirty".