1145103324 has 48 divisors (see below), whose sum is σ = 2839898880. Its totient is φ = 358093440.

The previous prime is 1145103317. The next prime is 1145103359. The reversal of 1145103324 is 4233015411.

It is a happy number.

It is a super-2 number, since 2×1145103324² = 2622523245271697952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145103294 and 1145103303.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 897 + ... + 47864.

It is an arithmetic number, because the mean of its divisors is an integer number (59164560).

Almost surely, 2^1145103324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145103324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419949440).

1145103324 is an abundant number, since it is smaller than the sum of its proper divisors (1694795556).

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

1145103324 is a wasteful number, since it uses less digits than its factorization.

1145103324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48890 (or 48888 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1145103324 is about 33839.3753488447. The cubic root of 1145103324 is about 1046.2004241899.

Adding to 1145103324 its reverse (4233015411), we get a palindrome (5378118735).

The spelling of 1145103324 in words is "one billion, one hundred forty-five million, one hundred three thousand, three hundred twenty-four".