1145020304 has 10 divisors (see below), whose sum is σ = 2218476870. Its totient is φ = 572510144.

The previous prime is 1145020273. The next prime is 1145020367. The reversal of 1145020304 is 4030205411.

It can be written as a sum of positive squares in only one way, i.e., 832437904 + 312582400 = 28852^2 + 17680^2 .

It is a super-2 number, since 2×1145020304² = 2622142993144504832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35781869 + ... + 35781900.

It is an arithmetic number, because the mean of its divisors is an integer number (221847687).

Almost surely, 2^1145020304 is an apocalyptic number.

It is an amenable number.

1145020304 is a deficient number, since it is larger than the sum of its proper divisors (1073456566).

1145020304 is an equidigital number, since it uses as much as digits as its factorization.

1145020304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71563777 (or 71563771 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1145020304 is about 33838.1486491209. The cubic root of 1145020304 is about 1046.1751403992.

Adding to 1145020304 its reverse (4030205411), we get a palindrome (5175225715).

The spelling of 1145020304 in words is "one billion, one hundred forty-five million, twenty thousand, three hundred four".