1145003530 has 32 divisors (see below), whose sum is σ = 2264811840. Its totient is φ = 413320320.

The previous prime is 1145003521. The next prime is 1145003537. The reversal of 1145003530 is 353005411.

It is a happy number.

It is a super-2 number, since 2×1145003530² = 2622066167424921800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1145003537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22920 + ... + 53059.

It is an arithmetic number, because the mean of its divisors is an integer number (70775370).

Almost surely, 2^1145003530 is an apocalyptic number.

1145003530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145003530 is a deficient number, since it is larger than the sum of its proper divisors (1119808310).

1145003530 is a wasteful number, since it uses less digits than its factorization.

1145003530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76134.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1145003530 is about 33837.9007918636. The cubic root of 1145003530 is about 1046.1700317191.

Adding to 1145003530 its reverse (353005411), we get a palindrome (1498008941).

The spelling of 1145003530 in words is "one billion, one hundred forty-five million, three thousand, five hundred thirty".