1143354525 has 12 divisors (see below), whose sum is σ = 1890346272. Its totient is φ = 609789040.

The previous prime is 1143354521. The next prime is 1143354593. The reversal of 1143354525 is 5254533411.

It is not a de Polignac number, because 1143354525 - 2² = 1143354521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143354521) 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 11 ways as a sum of consecutive naturals, for example, 7622289 + ... + 7622438.

It is an arithmetic number, because the mean of its divisors is an integer number (157528856).

Almost surely, 2^1143354525 is an apocalyptic number.

1143354525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1143354525 is a deficient number, since it is larger than the sum of its proper divisors (746991747).

1143354525 is a wasteful number, since it uses less digits than its factorization.

1143354525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244740 (or 15244735 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 1143354525 is about 33813.5257700229. The cubic root of 1143354525 is about 1045.6675679279.

Adding to 1143354525 its reverse (5254533411), we get a palindrome (6397887936).

The spelling of 1143354525 in words is "one billion, one hundred forty-three million, three hundred fifty-four thousand, five hundred twenty-five".