1145230112 has 96 divisors (see below), whose sum is σ = 2486245104. Its totient is φ = 516096000.

The previous prime is 1145230091. The next prime is 1145230169. The reversal of 1145230112 is 2110325411.

It can be written as a sum of positive squares in 8 ways, for example, as 754930576 + 390299536 = 27476^2 + 19756^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4075412 + ... + 4075692.

Almost surely, 2^1145230112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145230112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243122552).

1145230112 is an abundant number, since it is smaller than the sum of its proper divisors (1341014992).

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

1145230112 is a wasteful number, since it uses less digits than its factorization.

1145230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1145230112 is about 33841.2486767259. The cubic root of 1145230112 is about 1046.2390351931.

Adding to 1145230112 its reverse (2110325411), we get a palindrome (3255555523).

The spelling of 1145230112 in words is "one billion, one hundred forty-five million, two hundred thirty thousand, one hundred twelve".