1143504325 has 12 divisors (see below), whose sum is σ = 1431987588. Its totient is φ = 905744000.

The previous prime is 1143504293. The next prime is 1143504331. The reversal of 1143504325 is 5234053411.

It can be written as a sum of positive squares in 6 ways, for example, as 6937956 + 1136566369 = 2634^2 + 33713^2 .

It is not a de Polignac number, because 1143504325 - 2⁵ = 1143504293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143504293 and 1143504302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223912 + ... + 228961.

It is an arithmetic number, because the mean of its divisors is an integer number (119332299).

Almost surely, 2^1143504325 is an apocalyptic number.

It is an amenable number.

1143504325 is a deficient number, since it is larger than the sum of its proper divisors (288483263).

1143504325 is a wasteful number, since it uses less digits than its factorization.

1143504325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452984 (or 452979 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1143504325 is about 33815.7407873907. The cubic root of 1143504325 is about 1045.7132330177.

Adding to 1143504325 its reverse (5234053411), we get a palindrome (6377557736).

The spelling of 1143504325 in words is "one billion, one hundred forty-three million, five hundred four thousand, three hundred twenty-five".