142255424331440 has 40 divisors (see below), whose sum is σ = 377992984653600. Its totient is φ = 48773288342016.

The previous prime is 142255424331437. The next prime is 142255424331463. The reversal of 142255424331440 is 44133424552241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 142255424331391 and 142255424331400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127013771165 + ... + 127013772284.

It is an arithmetic number, because the mean of its divisors is an integer number (9449824616340).

Almost surely, 2^{142255424331440} is an apocalyptic number.

142255424331440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142255424331440 is an abundant number, since it is smaller than the sum of its proper divisors (235737560322160).

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

142255424331440 is a wasteful number, since it uses less digits than its factorization.

142255424331440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254027543469 (or 254027543463 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 142255424331440 its reverse (44133424552241), we get a palindrome (186388848883681).

The spelling of 142255424331440 in words is "one hundred forty-two trillion, two hundred fifty-five billion, four hundred twenty-four million, three hundred thirty-one thousand, four hundred forty".