142311144 has 16 divisors (see below), whose sum is σ = 355777920. Its totient is φ = 47437040.

The previous prime is 142311137. The next prime is 142311151. The reversal of 142311144 is 441113241.

It is an interprime number because it is at equal distance from previous prime (142311137) and next prime (142311151).

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

It is a self number, because there is not a number n which added to its sum of digits gives 142311144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2964792 + ... + 2964839.

It is an arithmetic number, because the mean of its divisors is an integer number (22236120).

Almost surely, 2^142311144 is an apocalyptic number.

It is an amenable number.

142311144 is an abundant number, since it is smaller than the sum of its proper divisors (213466776).

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

142311144 is a wasteful number, since it uses less digits than its factorization.

142311144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929640 (or 5929636 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 142311144 is about 11929.4234563117. The cubic root of 142311144 is about 522.0911160510.

Adding to 142311144 its reverse (441113241), we get a palindrome (583424385).

The spelling of 142311144 in words is "one hundred forty-two million, three hundred eleven thousand, one hundred forty-four".