1145319528 has 32 divisors (see below), whose sum is σ = 2885852160. Its totient is φ = 378766080.

The previous prime is 1145319517. The next prime is 1145319541. The reversal of 1145319528 is 8259135411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184833 + ... + 190928.

It is an arithmetic number, because the mean of its divisors is an integer number (90182880).

Almost surely, 2^1145319528 is an apocalyptic number.

It is an amenable number.

1145319528 is an abundant number, since it is smaller than the sum of its proper divisors (1740532632).

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

1145319528 is a wasteful number, since it uses less digits than its factorization.

1145319528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375897 (or 375893 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 1145319528 is about 33842.5697605841. The cubic root of 1145319528 is about 1046.2662635128.

The spelling of 1145319528 in words is "one billion, one hundred forty-five million, three hundred nineteen thousand, five hundred twenty-eight".