1145543452 has 12 divisors (see below), whose sum is σ = 2005336816. Its totient is φ = 572590080.

The previous prime is 1145543437. The next prime is 1145543479. The reversal of 1145543452 is 2543455411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30693 + ... + 56860.

Almost surely, 2^1145543452 is an apocalyptic number.

It is an amenable number.

1145543452 is a deficient number, since it is larger than the sum of its proper divisors (859793364).

1145543452 is a wasteful number, since it uses less digits than its factorization.

1145543452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90828 (or 90826 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 1145543452 is about 33845.8779174067. The cubic root of 1145543452 is about 1046.3344450273.

Adding to 1145543452 its reverse (2543455411), we get a palindrome (3688998863).

The spelling of 1145543452 in words is "one billion, one hundred forty-five million, five hundred forty-three thousand, four hundred fifty-two".