1145532530 has 8 divisors (see below), whose sum is σ = 2061958572. Its totient is φ = 458213008.

The previous prime is 1145532511. The next prime is 1145532533. The reversal of 1145532530 is 352355411.

It can be written as a sum of positive squares in 2 ways, for example, as 1039998001 + 105534529 = 32249^2 + 10273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1145532493 and 1145532502.

It is not an unprimeable number, because it can be changed into a prime (1145532533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 57276617 + ... + 57276636.

Almost surely, 2^1145532530 is an apocalyptic number.

1145532530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145532530 is a deficient number, since it is larger than the sum of its proper divisors (916426042).

1145532530 is a wasteful number, since it uses less digits than its factorization.

1145532530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114553260.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1145532530 is about 33845.7165679795. The cubic root of 1145532530 is about 1046.3311196475.

Adding to 1145532530 its reverse (352355411), we get a palindrome (1497887941).

The spelling of 1145532530 in words is "one billion, one hundred forty-five million, five hundred thirty-two thousand, five hundred thirty".