1145403324 has 72 divisors (see below), whose sum is σ = 3164666960. Its totient is φ = 347162112.

The previous prime is 1145403319. The next prime is 1145403349. The reversal of 1145403324 is 4233045411.

It is a happy number.

1145403324 is a `hidden beast` number, since 114 + 540 + 3 + 3 + 2 + 4 = 666.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13092 + ... + 49620.

Almost surely, 2^1145403324 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 1145403324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582333480).

1145403324 is an abundant number, since it is smaller than the sum of its proper divisors (2019263636).

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

1145403324 is a wasteful number, since it uses less digits than its factorization.

1145403324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36619 (or 36614 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1145403324 is about 33843.8077644936. The cubic root of 1145403324 is about 1046.2917791841.

Adding to 1145403324 its reverse (4233045411), we get a palindrome (5378448735).

The spelling of 1145403324 in words is "one billion, one hundred forty-five million, four hundred three thousand, three hundred twenty-four".