1142212344 has 96 divisors (see below), whose sum is σ = 3577306320. Its totient is φ = 301238784.

The previous prime is 1142212343. The next prime is 1142212363. The reversal of 1142212344 is 4432122411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142212343) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 22069 + ... + 52644.

Almost surely, 2^1142212344 is an apocalyptic number.

1142212344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1142212344 is an abundant number, since it is smaller than the sum of its proper divisors (2435093976).

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

1142212344 is a wasteful number, since it uses less digits than its factorization.

1142212344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74749 (or 74738 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1142212344 is about 33796.6321399041. The cubic root of 1142212344 is about 1045.3192538140.

Adding to 1142212344 its reverse (4432122411), we get a palindrome (5574334755).

The spelling of 1142212344 in words is "one billion, one hundred forty-two million, two hundred twelve thousand, three hundred forty-four".