1145333028 has 48 divisors (see below), whose sum is σ = 3070255104. Its totient is φ = 325520160.

The previous prime is 1145333023. The next prime is 1145333069. The reversal of 1145333028 is 8203335411.

It is a junction number, because it is equal to n+sod(n) for n = 1145332986 and 1145333004.

It is not an unprimeable number, because it can be changed into a prime (1145333023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19650 + ... + 51737.

It is an arithmetic number, because the mean of its divisors is an integer number (63963648).

Almost surely, 2^1145333028 is an apocalyptic number.

It is an amenable number.

1145333028 is an abundant number, since it is smaller than the sum of its proper divisors (1924922076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145333028 is a wasteful number, since it uses less digits than its factorization.

1145333028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71592 (or 71590 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1145333028 is about 33842.7692129353. The cubic root of 1145333028 is about 1046.2703743129.

Adding to 1145333028 its reverse (8203335411), we get a palindrome (9348668439).

The spelling of 1145333028 in words is "one billion, one hundred forty-five million, three hundred thirty-three thousand, twenty-eight".