142323543415444 has 24 divisors (see below), whose sum is σ = 257658748288200. Its totient is φ = 68706835478400.

The previous prime is 142323543415433. The next prime is 142323543415457. The reversal of 142323543415444 is 444514345323241.

It can be written as a sum of positive squares in 4 ways, for example, as 8043236323600 + 134280307091844 = 2836060^2 + 11587938^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2238907 + ... + 17019394.

It is an arithmetic number, because the mean of its divisors is an integer number (10735781178675).

Almost surely, 2^{142323543415444} is an apocalyptic number.

It is an amenable number.

142323543415444 is a deficient number, since it is larger than the sum of its proper divisors (115335204872756).

142323543415444 is a wasteful number, since it uses less digits than its factorization.

142323543415444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19322043 (or 19322041 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 49.

Adding to 142323543415444 its reverse (444514345323241), we get a palindrome (586837888738685).

The spelling of 142323543415444 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred forty-three million, four hundred fifteen thousand, four hundred forty-four".