1145233242 has 48 divisors (see below), whose sum is σ = 2581854912. Its totient is φ = 380466720.

The previous prime is 1145233241. The next prime is 1145233261. The reversal of 1145233242 is 2423325411.

1145233242 is a `hidden beast` number, since 114 + 523 + 3 + 24 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1145233241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147358 + ... + 154934.

It is an arithmetic number, because the mean of its divisors is an integer number (53788644).

Almost surely, 2^1145233242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145233242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290927456).

1145233242 is an abundant number, since it is smaller than the sum of its proper divisors (1436621670).

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

1145233242 is an equidigital number, since it uses as much as digits as its factorization.

1145233242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905 (or 7893 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1145233242 is about 33841.2949220328. The cubic root of 1145233242 is about 1046.2399883422.

Adding to 1145233242 its reverse (2423325411), we get a palindrome (3568558653).

The spelling of 1145233242 in words is "one billion, one hundred forty-five million, two hundred thirty-three thousand, two hundred forty-two".