1145231244 has 24 divisors (see below), whose sum is σ = 2969118320. Its totient is φ = 381743712.

The previous prime is 1145231221. The next prime is 1145231267. The reversal of 1145231244 is 4421325411.

1145231244 is a `hidden beast` number, since 1 + 14 + 523 + 124 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1145231221) and next prime (1145231267).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5301889 + ... + 5302104.

Almost surely, 2^1145231244 is an apocalyptic number.

It is an amenable number.

1145231244 is an abundant number, since it is smaller than the sum of its proper divisors (1823887076).

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

1145231244 is a wasteful number, since it uses less digits than its factorization.

1145231244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604006 (or 10603998 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1145231244 is about 33841.2654018729. The cubic root of 1145231244 is about 1046.2393799104.

Adding to 1145231244 its reverse (4421325411), we get a palindrome (5566556655).

The spelling of 1145231244 in words is "one billion, one hundred forty-five million, two hundred thirty-one thousand, two hundred forty-four".