1142341344 has 144 divisors (see below), whose sum is σ = 3368252160. Its totient is φ = 366981120.

The previous prime is 1142341297. The next prime is 1142341373. The reversal of 1142341344 is 4431432411.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1050369 + ... + 1051455.

It is an arithmetic number, because the mean of its divisors is an integer number (23390640).

Almost surely, 2^1142341344 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 1142341344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684126080).

1142341344 is an abundant number, since it is smaller than the sum of its proper divisors (2225910816).

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

1142341344 is a wasteful number, since it uses less digits than its factorization.

1142341344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1222 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1142341344 is about 33798.5405602076. The cubic root of 1142341344 is about 1045.3586046722.

Adding to 1142341344 its reverse (4431432411), we get a palindrome (5573773755).

The spelling of 1142341344 in words is "one billion, one hundred forty-two million, three hundred forty-one thousand, three hundred forty-four".