1145898112 has 32 divisors (see below), whose sum is σ = 2361570300. Its totient is φ = 553190400.

The previous prime is 1145898097. The next prime is 1145898121. The reversal of 1145898112 is 2118985411.

It can be written as a sum of positive squares in 2 ways, for example, as 1005143616 + 140754496 = 31704^2 + 11864^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 150639 + ... + 158062.

Almost surely, 2^1145898112 is an apocalyptic number.

It is an amenable number.

1145898112 is an abundant number, since it is smaller than the sum of its proper divisors (1215672188).

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

1145898112 is an equidigital number, since it uses as much as digits as its factorization.

1145898112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308744 (or 308732 counting only the distinct ones).

The product of its digits is 23040, while the sum is 40.

The square root of 1145898112 is about 33851.1168501129. The cubic root of 1145898112 is about 1046.4424155233.

The spelling of 1145898112 in words is "one billion, one hundred forty-five million, eight hundred ninety-eight thousand, one hundred twelve".