1145303524 has 12 divisors (see below), whose sum is σ = 2006562348. Its totient is φ = 572000000.

The previous prime is 1145303519. The next prime is 1145303557. The reversal of 1145303524 is 4253035411.

It can be written as a sum of positive squares in 2 ways, for example, as 666569124 + 478734400 = 25818^2 + 21880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1145303492 and 1145303501.

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, 158977 + ... + 166024.

It is an arithmetic number, because the mean of its divisors is an integer number (167213529).

Almost surely, 2^1145303524 is an apocalyptic number.

It is an amenable number.

1145303524 is a deficient number, since it is larger than the sum of its proper divisors (861258824).

1145303524 is a wasteful number, since it uses less digits than its factorization.

1145303524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325886 (or 325884 counting only the distinct ones).

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

The square root of 1145303524 is about 33842.3333119925. Note that the first 4 decimals coincide. The cubic root of 1145303524 is about 1046.2613901935.

Adding to 1145303524 its reverse (4253035411), we get a palindrome (5398338935).

The spelling of 1145303524 in words is "one billion, one hundred forty-five million, three hundred three thousand, five hundred twenty-four".