1142430344 has 64 divisors (see below), whose sum is σ = 2378160000. Its totient is φ = 510174720.

The previous prime is 1142430319. The next prime is 1142430349. The reversal of 1142430344 is 4430342411.

It is not an unprimeable number, because it can be changed into a prime (1142430349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558202 + ... + 1558934.

It is an arithmetic number, because the mean of its divisors is an integer number (37158750).

Almost surely, 2^1142430344 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 1142430344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189080000).

1142430344 is an abundant number, since it is smaller than the sum of its proper divisors (1235729656).

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

1142430344 is a wasteful number, since it uses less digits than its factorization.

1142430344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1142430344 is about 33799.8571594615. The cubic root of 1142430344 is about 1045.3857519868.

Adding to 1142430344 its reverse (4430342411), we get a palindrome (5572772755).

The spelling of 1142430344 in words is "one billion, one hundred forty-two million, four hundred thirty thousand, three hundred forty-four".