1145231424 has 42 divisors (see below), whose sum is σ = 3282600750. Its totient is φ = 381743616.

The previous prime is 1145231389. The next prime is 1145231449. The reversal of 1145231424 is 4241325411.

1145231424 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 231 + 424 = 666.

It can be written as a sum of positive squares in only one way, i.e., 857318400 + 287913024 = 29280^2 + 16968^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 993549 + ... + 994700.

Almost surely, 2^1145231424 is an apocalyptic number.

It is an amenable number.

1145231424 is an abundant number, since it is smaller than the sum of its proper divisors (2137369326).

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

1145231424 is a wasteful number, since it uses less digits than its factorization.

1145231424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988267 (or 1988254 counting only the distinct ones).

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

The square root of 1145231424 is about 33841.2680613478. The cubic root of 1145231424 is about 1046.2394347241.

Adding to 1145231424 its reverse (4241325411), we get a palindrome (5386556835).

The spelling of 1145231424 in words is "one billion, one hundred forty-five million, two hundred thirty-one thousand, four hundred twenty-four".